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2x - 4= x + 1
2x-x=1 + 4
X=5
2.
3x-1=x + 3
3x-x=3+1
2x=4
X=2
3.
2x+2=4x+6
2x-4x=6-2
-2x=4
X=-2
4.
4-2x= 4x - 8
4+8= 4x+2x
12=6x
2=x
X=2
Semoga membantu yaaa:)
2. x = 2
3. x = -2
4. x = 2