Question

I need help on 10 and 11

Answer 1

x = +8

x = -8

That's the thing that I only know. Im a seventh grader(turned 13) so I wouldn't know this fully. Ask someone else to get it fully.

Explanation:

5x + 6x - 10 + 12 = 90

11x = -88

x = -8

or

x = 8