What value of x makes this equetion true -90=-100+x

-190

Step-by-step explanation:

100+(-190)=-90

hope this is correct! c:

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.