Respuesta :

7x = -x + 24
+x. +x
8x = 24
X = 3

Answer:

Step-by-step explanation:

7x=-x+24

Firstly, you will collect like terms.

So,

7x+x=24

=8x=24

Then, divide both sides by the coefficients the variable(x)

8x/8=24/8

=x=3.