Respuesta :

Answer:

x = 21

Step-by-step explanation:

5x + 7

112 - 7 = 105

105/5 = 21

Hopefully this helps you :)

pls mark brainlest ;)

Answer:

Step-by-step explanation:

5x+7=112

5x=112-7

5×=105

5x÷5=105÷5

X=21