Adding and Subtracting to Solve One-Step Equations with Rational Numbers

If 5x + 7 = 22 then what does x = ?

Mathematical Equivalence

ON

Tags

CCSS.7.EE.B.4A

What is the first step in solving the following problem?

2x+10=22

• Add 10 to each side

• Divide by 2

• Subtract 10 from each side

• Multiply by 10

Tags

CCSS.7.EE.B.4A

Which is the correct first step when solving for x.

• Cancel the 7 by subtracting 7 on both sides of the equation.

• Cancel the -5 by adding 5 on both sides of the equation.

• Cancel the 47 by subtracting 47 on both sides of the equation.

• Cancel the -5 by dividing by -5 on both sides of the equation.

Tags

CCSS.HSA.REI.A.1

Which statement is true when solving 3x + 6 = 21

• To solve for x subtract 6 on both sides of the equation then divide by three on both side of the equation.

• To solve for x divide by three on both sides of the equation then subtract three on both sides of the equation.

• To solve for x add 6 on both side of the equation then subtract 3 on both sides of the equation.

Tags

CCSS.HSA.REI.A.1

solve for m.
m = __

Please solve this equation

^p/₅ = 7

• p = 35

• p = 12

• p = 2

• None of these match my answer

Tags

CCSS.6.EE.B.7

2) Solve this equation

t - 7 = 2

• t = 9

• t = 7

• t = 5

• None of these match my answer

Tags

CCSS.6.EE.B.7

4g = 24

g = ?

• g = 96

• g = 28

• g = 6

• g = 20

Tags

CCSS.6.EE.B.7