Represent and Solve Equations and Inequalities

Think about the Process. You start with the equation 9b = 18. What step should you take to find the quantity that equals 3b?

Solve the equation

b/3=136

b=

solve this equation

b/3=122

b=

solve the equation

81=3t

t=

Tell which property of equality was used

2m+5=11

2m+5+4=11+4

• Subtraction property of equality

• Multiplication property of equality

• Division property of equality

• Addition property of equality

if 2w=16, which property of equality was used to find the equivalent equation 2w/2=16/2

Write an equation that is equivalent to m+2=5

what is 7b + 16

when b is = 4

• 23

• 27

• 22

• 32

Which property was used in this equation ?

4t = 17

4t / 8 = 17/8

• Subtraction property of equality

• Multiplication property of equality

• Division property of equality

• Addition property of equality

Explain how to get the variable alone in the following equation

c / 13 = 6

• subtract 13 from both sides.

• divide both sides by 13

• multiply both sides by 13

• add 13 to both sides