Question

1) x+7=9×x

2)x+2=8×x

3)x×9=3+x

con pasos

Answer 1

X+7=9x
X-9x=-7
-8x=-7
X=7/8

X+2=8x
X-8x=-2
-7x=-2
X=2/7

9x=3+x
9x-x=3
8x=3
X=3/8