7x-55+4x=77

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Solution for 7x-55+4x=77 equation: 



7x-55+4x=77

We move all terms to the left:

7x-55+4x-(77)=0

We add all the numbers together, and all the variables

11x-132=0

We move all terms containing x to the left, all other terms to the right

11x=132

x=132/11

x=12

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