1) 4(13-3х)=-5х
52-12х-17=-5х
35 = 7х
х=5
2) (18-3х)-(4+2х)=10
18-3х-4-2х=10
-5х = -4
х=4/5
3) 14-х=0,5(4-2х)+12
14-х=2-х+12
0=0
х = 0
4) 4х-3(20-х)=10х-3(11+х)
4х -60-3х=10х-33-3х
-6х=27
х=-24,5
<span>3x-5-2x+4=5x+1
3х-2х-5х=5-4+1
-4х=2
х= -2/4
х= -1/2
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