Question

3х - 16 =8
9у +70 = 20

Answer 1

1) 3х - 16 = 8

3х = 8 + 16

3х = 24

х = 8

2) 9у + 70 = 20

9у = 20 - 70

9у = -50

у = -5 5/9

Answer 2

Объяснение:

1) 3х-16=8

3х=8+16

3х=24

х=8

2) 9у+70=20

9у=20-70

9у=-50

у= -5 5/9