1) 5x+6=3x-8
2) 8x-7=5x+8
5) 2(x-4)=3(x+1)-7
3) 2x+1=-5
4) 5x-120=-X
6) 3x-2=-14
2) 8x-7=5x+8
5) 2(x-4)=3(x+1)-7
3) 2x+1=-5
4) 5x-120=-X
6) 3x-2=-14
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Answers & Comments
1) 5х+6=3х-8
5х-3х= -8-6
2х= -14|:2
х= -7
2) 8х-7=5х+8
8х-5х=8+7
3х=15|:3
х=5
3) 2(х-4)=3(х+1)-7
2х-8=3х+3-7
2х-3х=3-7+8
-х=4|:(-1)
х= -4
4) 2х+1= -5
2х= -5-1
2х= -6|:2
х= -3
5) 5х-120= -х
5х+х=120
6х=120|:6
х=20
6) 3х-2= -14
3х= -14+2
3х= -12|:3
х= -4