Respuesta :

Answer:

1

Step-by-step explanation:

10x + 2 = 7

10x = 7 - 2

10x = 5

x = 5/10 reduces to 1/2

2x = 2(1/2) = 1 <==

2x=1

First subtract 2 from both sides and the new equation with become 10x=5. Next divide by 5 on both sides to get 2x. The new equation will look like 2x=1