Question

14x-(8x+3x)=1512
11y-(5y-3y)=8136

Answer 1

1)14x-(8x+3x)=1512
14x-11x=1512
3x=1512
x=1512:3
x=504
2)11y-(5y-3y)=8136
11y-2y=8136
9y=8136
y=8136:9
y=904

Answer 2

вот тебе решение....