100=68*x+(x-1)*20

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Solution for 100=68*x+(x-1)*20 equation: 



100=68*x+(x-1)*20

We move all terms to the left:

100-(68*x+(x-1)*20)=0



We calculate terms in parentheses: -(68*x+(x-1)*20), so:

68*x+(x-1)*20

We add all the numbers together, and all the variables

68x+(x-1)*20

We multiply parentheses

68x+20x-20

We add all the numbers together, and all the variables

88x-20

Back to the equation:

-(88x-20)



We get rid of parentheses

-88x+20+100=0

We add all the numbers together, and all the variables

-88x+120=0

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

-88x=-120

x=-120/-88

x=1+4/11

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