Question

Решите уравнения : 7х-4=х-16 ; 3у-(5-у)=11

Answer 1

7х-х=-16+4
6х=-12
х=-2

3у-5+у=11
4у=16
у=4

Answer 2

1. 7х-4=х-16
7х-х=-16+4
6х=-12
х=-2
2. 3у-(5-у)=11
3у-5+у=11
4у=11+5
4у=16
у=4