Question

解下列方程(1).6=5y-2(y+4)(2).5(m+8)-6(2M-7)=1

Answer 1

6=5y-2(y=4)

6=5y-2y-8

14=3y

y=3/14

5(m+8)-6(2m-7)=1

5m+40-12m+42=1

-7m=-81

m=81/7