Respuesta :
Answer:
x(aka the number) = -16
This is because 4 times -16 = -64, and -64 plus 57 = -7.
Step-by-step explanation:
Answer:
x = -16
Step-by-step explanation:
4x + 57 = -7
subtract 57 to both sides and then solve for x
4x+ 57 -57 = -7 + -57
4x = -64
4x/4 = -64/4
x = -16