Answer:
x = 8
Step-by-step explanation:
40 + 6x + 2 = 90 {Complementary angles}
Combine like terms
40+ 2 + 6x = 90
42 +6x = 90 {Subtract 42 form both sides}
6x = 90 - 42
6x = 48 {divide both sides by 6}
6x/6 = 48/6
x = 8
If im correct it would be -2(2)+4(-2)-5 which is -4-8-5 which would be -17
If you are referencing a picture, there is none attached to this post. If you can repost with a picture I can try to help you!
Put common terms in evidence and simplify: