21-28x=10x-40

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Solution for 21-28x=10x-40 equation: 



21-28x=10x-40

We move all terms to the left:

21-28x-(10x-40)=0

We get rid of parentheses

-28x-10x+40+21=0

We add all the numbers together, and all the variables

-38x+61=0

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

-38x=-61

x=-61/-38

x=1+23/38

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