Question

Explain by showing your work please! HELP ASAP!

Answer 1

$- 2x + 7 = 15 \\ - 2x = 8 \\ x = - 4$

Answer 2

x=-4

-2x + 7 = 15

-2x = 15 - 7

-2x = 8 divide both sides by -2

X= -4