3. Joe solved the equation and justified each step as shown. Identify Joe’s error and fix his mistake.

Step Justification

3 + x/2 = 100 Given equation

x/2 = 7 Multiplication Property of Equality

x = 14 Subtraction Property of Equality

answer: the anser is 3

step-by-step explanation:

c- 2o is equal to 9

she drove 134 miles

step-by-step explanation:

set each factor equal to 0

4x-3 = 0

2x-1 = 0

solve for x.

4x-3=0

4x=3

x= 3/4

solve for x. 

2x-1= 0

2x= 1

x= 1/2

your answer should be 1/2 is less than or equal to x and 3/4 is greater than or equal to x