Question

to verify that x=5 is a solution for the equation 8x-13=2x+17, what is a possible first step?

Answer 1

substitute 5 for x?

Answer 2

well to plug it in.... since you know the x value. plug it in and than if it is correct, both of the equations on the opposite side of the equal side should be the same value:)

Answer 3

a. multiply 8 by 5
b. subtract 13 from both sides
c. replace x with 5
d. add 17 to both sides.