1) 19(y-9)=3(y=7) 2) 4(x-9)=3(x-8)

Question

1) 19(y-9)=3(y=7)

2) 4(x-9)=3(x-8)

Answer 1

1. 19y-171= 3y+21
16y= 192
y=12 (если = означает "+" в y=7)


2. 4x-36= 3x-24
x= 12