Question

resposta questões. -8-3x=7?. 20-4x=80?. -x+3=11?.8y+4=36?5x-25=75?.-30+10y=20?.-17-9x=10?. 4x+5=2×+15?.​

Answer 1

Resposta:

-8-3x=7  ------ x = -5

20-4x=80  ------ x = -15

-x+3=11  ------ x = -14

8y+4=36  ------ y = 4

5x-25=75  ------ x = 20

-30+10y=20  ------ y = 5

-17-9x=10  ------ x = -3

4x+5=2x+15  ------ x = 5