Answer:
8.5
Step-by-step explanation:
10x+2=9x(3)
10x+2=27x
2=17x
x=8.5
Answer:
Step-by-step explanation:
4. 10x + 30 = 90
10x = 60
x = 6
complementary
5. 4x + 40 + 3x = 180
7x + 40 = 180
7x = 140
x = 20
supplementary
It' only 8 poins btw And there is not enough information but I try my best y = a times t y = 200 + 250 divided by 325 I believe these are the answers