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-3x-4x=5-2
-7x=3 | ÷ (-7)
x=-3/7
2. 2(x-1)=20
2x-2=20
2x=20+2
2x=22 |÷2
x=11
3.4X-2=3x+7
4x-3x=7+2
x=9
4.5(x+1)=6 (x-2)
5x+5=6x-12
5x-6x=-12-5
-x=-17
x=17
5.4x-5+x=2x-3
5x-5=2x-3
5x-2x=5-3
3x=2 |÷3
x=2/3
-7x=3
x=-3/7
2) 2x-2=20
2x=22
x=11
3) 4x-2=3x+7
4x-3x=7+2
x=9
4) 5x+5=6x-12
5x-6x=-12-5
-x=-17
x=17
5) 5x-2x=-3+5
3x=2
x=2/3