2x-2=2(x-1)
7(2x+1=14x
6(7-x)=8(6-x)
me pueden aayudar estos ejercicios pliss..¡¡
7(2x+1=14x
6(7-x)=8(6-x)
me pueden aayudar estos ejercicios pliss..¡¡
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2X-2=2X-2
2X-2-2X+2=0
0=0
-----------------
7(2X+1)=14X
14X+7=14X
14X+7-14X=0
7=0
-------------------
6(7-X)=8(6-X)
42-6X=48-8x
42-6x-48+8x=0
2x-6=0
2x=6
x=6/2
x=3
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