Question

What is the solution to the equation 15+x = –7?
a. –8
b. 22
c. 8
d. –22

Answer 1

15 + x = -7

First, subtract 15 from both sides. / Your problem should look like: $x = -7 - 15$
Second, subtract -7 - 15 to get -22. / Your problem should look like: $x = -22$

Answer: x = -22 (D)

Answer 2

$15+x=-7$
$x=-7-15$
$x=-22$
$Answer:-22$