Question

а)2(3х-2)+4=30
б)3(2-х)+25=28
в)23(х-4)+13=5
г)37(1-2х)+17=-2
ПОМАГИТЕ ПЛИЗ

Answer 1

а) 2(3х-2)+4=30
6х-4+4=30
6х=30
х=5
б)3(2-х)+25=28
-3х=28-25-6
-3х=-3
х=1
в)2/3(х-4)+1/3=5
2/3*х-8/3+1/3=5
2/3*х=5+7/3
2/3*х=22/3
х=11
г)3/7(1-2х)+1/7=-2
3/7-6/7*х+1/7=-2
-6/7х=-2-4/7
-6/7х=-18/7
х=3