Question

Is x=-3 a solution of the equation 2x+4=8+x? Show work
For pre algebra

Answer 1

When x = -3 is given, all you need to do is substitute and check if the answers in LHS and RHS are equal.

2x+4=8+x

2(-3)+4=8+(-3)

-6+4=8-3

-2
`\\eq` 5

NO SOLUTION

Answer 2

x= 4 is a solution

Explanation: