What does it mean to 'solve for x'?

It means to find the value of x that makes the equation true.

If $$y + 5 = 12$$ , how do you solve for y?

Subtract 5 from both sides to get $$y = 7$$ .

If $$x/3 = 5$$ , how do you solve for x?

Multiply both sides by 3 to get $$x = 15$$ .

...

Flashcard

•

Mathematics

•

8th Grade

•

Practice Problem

•

Hard

•

CCSS

6.EE.B.7, HSA.REI.A.1, 2.NBT.B.5

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15 questions

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FLASHCARD QUESTION

Front

What is a one-step equation?

Back

A one-step equation is an algebraic equation that can be solved in a single step by performing the same operation on both sides of the equation.

Tags

CCSS.6.EE.B.7

FLASHCARD QUESTION

Front

Solve for x: $5x=40$

Back

$x=8$

Tags

CCSS.6.EE.B.7

FLASHCARD QUESTION

Front

What operation would you use to isolate x in the equation $3x=9$ ?

Back

You would divide both sides by 3.

Tags

CCSS.HSA.REI.A.1

FLASHCARD QUESTION

Front

Solve for y: y - 7 = 10

Back

y = 17

Tags

CCSS.6.EE.B.7

FLASHCARD QUESTION

Front

What is the first step to solve $x + 10 = 4$ ?

Back

Subtract 10 from both sides.

Tags

CCSS.6.EE.B.7

FLASHCARD QUESTION

Front

Solve for x: $x + 10 = 4$

Back

$x = -6$

Tags

CCSS.6.EE.B.7

FLASHCARD QUESTION

Front

What is the solution to the equation $3x = 9$ ?

Back

$x = 3$

Tags

CCSS.6.EE.B.7

10.

FLASHCARD QUESTION

Front

If $x - 4 = 2$ , what is x?

Back

$x = 6$

Tags

CCSS.6.EE.B.7

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