Question

Решите уравнение 3(5-х)+2(4х-3)=4 б) 3(5х-4)-4(х+2)=2

Answer 1

3(5-х)+2(4х-3)=4
15-3х+8х-6=4
-3х+8х=4-15+6
5х=-5
х=-1.
3(5х-4)-4(х+2)=2
15х-12-4х-8=2
15х-4х=2+12+8
11х=22
х=2.

Answer 2

15x-12-4x-8=2
11x=22
x=2