81x-5x=10x+21

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Solution for 81x-5x=10x+21 equation: 



81x-5x=10x+21

We move all terms to the left:

81x-5x-(10x+21)=0

We add all the numbers together, and all the variables

76x-(10x+21)=0

We get rid of parentheses

76x-10x-21=0

We add all the numbers together, and all the variables

66x-21=0

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

66x=21

x=21/66

x=7/22

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