Question

Как ришить х : (130 + 70 ) = 2
х * (100 - 85 ) = 60
х + 16 * 10 =200

Answer 1

1)

$x div (130 + 70) = 2 \ x div 200 = 2 \ frac{1}{200} x = 2 \ x = 400$

2)

$x(100 - 85) = 60 \ x times 15 = 60 \ 15x = 60 \ x = 4$

3)

$x + 16 times 10 = 200 \ x + 160 = 200 \ x = 200 - 160 \ x = 40$