What would be the most efficient way to solve the following equation? $$\frac{x}{3}-7=21$$

Add 7 to both sides, then multiply by 3 on both sides

Add 7 to both sides, then divide by 3 on both sides

Multiply by 3 on both sides, then add 7 on both sides

Divide by 3 on both sides, then subtract 7 on both sides

Algebra 1 : First Semester Exam

Authored by Sylvia Williamson

Mathematics

9th - 12th Grade

CCSS covered

Used 39+ times

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50 questions

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MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Which symbol represents the term "subtract"?

$\times$

$\div$

$-$

$+$

Tags

CCSS.7.NS.A.1D

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

What is the equivalent expression for $30+\left(-25\right)$ ?

$-30+25$

$-30-25$

$30-25$

$30+25$

Tags

CCSS.7.NS.A.1D

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Which expression has a negative value?

$\left(-2\right)^2$

$\left(-5\right)\left(-7\right)$

$\left(-3\right)^3$

$0\times\left(-5\right)$

Tags

CCSS.7.EE.B.3

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

What is the simplified form of the expression $5\left(3x-8\right)$ ?

$15x-1$

$15x-8$

$15x-40$

$15x+40$

Tags

CCSS.6.EE.A.3

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

If $x=-2$ and $y=-4$ , what does $2x-3y$ equals?

$-8$

$-2$

$2$

$8$

Tags

CCSS.6.EE.A.2C

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

The word "product" corresponds to which symbol?

$\times$

$+$

$-$

$\div$

Tags

CCSS.6.EE.A.1

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

What number should be filled in the blank to make the equation correct?
$-7-_{ }$ __ $=21$

$-28$

$-14$

$14$

$28$

Tags

CCSS.7.NS.A.1C

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

What is the simplified form of the expression $-3\left(-4x-7\right)$ ?

$-12x-21$

$12x-7$

$12x-21$

$12x+21$

Tags

CCSS.6.EE.A.3

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Which ordered pair is NOT a solution of $y=4x+2$ ?

$\left(-2,-6\right)$

$\left(-1,\ 2\right)$

$\left(1,\ 6\right)$

$\left(2,\ 10\right)$

10.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

The word "minus" corresponds to which symbol?

$+$

$-$

$<$

$\div$

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

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Algebra 1 : First Semester Exam

Which symbol represents the term "subtract"?

What is the equivalent expression for 30+(−25)30+\left(-25\right)30+(−25) ?

Which expression has a negative value?

What is the simplified form of the expression 5(3x−8)5\left(3x-8\right)5(3x−8) ?

If x=−2x=-2x=−2 and y=−4y=-4y=−4 , what does 2x−3y2x-3y2x−3y equals?

The word "product" corresponds to which symbol?

What number should be filled in the blank to make the equation correct? −7−-7-_{ }−7−​ __ =21=21=21

What is the simplified form of the expression −3(−4x−7)-3\left(-4x-7\right)−3(−4x−7) ?

Which ordered pair is NOT a solution of y=4x+2y=4x+2y=4x+2 ?

The word "minus" corresponds to which symbol?

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Discover more resources for Mathematics

What is the equivalent expression for $30+\left(-25\right)$ ?

What is the simplified form of the expression $5\left(3x-8\right)$ ?

If $x=-2$ and $y=-4$ , what does $2x-3y$ equals?

What number should be filled in the blank to make the equation correct?
$-7-_{ }$ __ $=21$

What is the simplified form of the expression $-3\left(-4x-7\right)$ ?

Which ordered pair is NOT a solution of $y=4x+2$ ?