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-2x=4/: -2
x = -2
b) 5x-9x=10-2
-4x=8/: -4
x=-2
c) 2x-2=x+3
2x-x=3+2
x=5
2-6=2x
-4=2x x=-2
b) 2=9x+10-5x
2=4x+10
2-10=4x
-8=4x x=-2
c) 2x-2=x+3
2x-x-2=3
x=5