18x-90+12x+13(x-7)=77

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Solution for 18x-90+12x+13(x-7)=77 equation: 



18x-90+12x+13(x-7)=77

We move all terms to the left:

18x-90+12x+13(x-7)-(77)=0

We add all the numbers together, and all the variables

30x+13(x-7)-167=0

We multiply parentheses

30x+13x-91-167=0

We add all the numbers together, and all the variables

43x-258=0

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

43x=258

x=258/43

x=6

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