Respuesta :

Answer:

Step-by-step explanation:

Step 1: Subtract 2x from both sides.

7x+7−2x=2x+2−2x

5x+7=2

Step 2: Subtract 7 from both sides.

5x+7−7=2−7

5x=−5

Step 3: Divide both sides by 5.

5x

5

=

−5

5

x=−1