Question

What is the answer to -x+7=8

Answer 1

+
7
=
8
x
+
7
=
8
x+7=8

+
7
−
7
=
8
−
7

Solution
X =1

Answer 2

-x+7=8

bring the 7 over.

to do so you must subtract 7 from itself (canceling it out), then also subtract it from 8.

now you have -x=1.

divide -x by -x (or -1) which just gives you positive x.

do the same to the 1 on the other side, giving you

x= -1

Explanation: