Решите уравнение: 1) (5х-4)/2=(16х+1)/7 2) (4у+33)/3=(17+у)/2
1) (4y+33)/3=(17+y)/2 3*(17+y)=2*(4y+33) 51+3y=8y+66 3y-8y=66-51 -5y=15 y=-3
1)
(5х-4)/2=(16х+1)/7
7(5х-4)=2(16х+1)
35х-28=32х+2
35х-32х=2+28
3х=30
х=10
2)
(4у+33)/3=(17+у)/2
2(4у+33)=3(17+у)
8у+66=51-66
5у=-15
у=-3