Х+12=17 Х-9=13 9-х=4 13+х=12

Question

Х+12=17
Х-9=13
9-х=4
13+х=12

Answer 1

1) х=5
2)х=22
3)х=5
4)х= (-1)

Answer 2

Х=17-12
Х=5.

X=13+9
X=22

X=4-9
X=-5

X=12-13
X=-1