Question

Найдите решение систем уравнений
3(х-2)-2(у+1)=-1
5(х+3)-8(у-2)=45

Answer 1

3(x-2)-2 (y+1)=-1

5 (x+3)-8(y-2)=45

x=7

5 (x+3)-8 (y-2)=45

5 (7+3)-8 (y-2)=45

y=21/8

(x,y) (7;21/8)