7х-3х-4=-2х+5х-2 помогите решить
4x-4=7x-2 2=3x x=2/3
You've missed a minus sign in the original equation Guest#1
7x - 3x - 4 = -2x + 5x - 2
4x - 4 = 3x - 2
Subtract 3x from both sides and add 4 to both sides:
x = 2
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