Question

5(2+1,5х)-0,5х=24 3(0,5х-4)+8,5х=18 5(х-1)+8=1-3(х+2) решить уравнения

Answer 1

5(2+1,5х)-0.5х=24
10+7,5х-0,5х=24
10-7х=24
-7х=24-10
-7х=14
х=-2

3(0,5х-4)+8,5х=18
1,5х-12+8.5х=18
10х-12=18
10х=18+12
10х=30
х=3

5(х-1)+8=1-3(х+2) 
5х-5+8=1-3х-6
5х+3х=1-6+5-8
8х=-8
х=-1