Question

2(4у-5)=у+25
х+2х+4х+3х=48

Answer 1

1)2(4у-5)=у+25
8у-10=у+25
8у-у=25+10
7у=35
у=35:7
у=5
2)х+2х+4х+3х=48
10х=48
х=48:10
х=4,8

Answer 2

:3