Question

a)2-2(х-1)=4(х-2). b)3-y+2(5-y)=4y-8

Answer 1

А) 2-2х+2=4х-8 2-2х+2-4х+8=0 -6х=-12 Х=2 Б) 3-у+10-2у-4у+8=0 -7у=-21 у=3

Answer 2

2-2х+2=4х-8  12=6х х=2     13-3у=4у-8      13+8=4у+3у у=3