10x-49=3x+21

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Solution for 10x-49=3x+21 equation: 



10x-49=3x+21

We move all terms to the left:

10x-49-(3x+21)=0

We get rid of parentheses

10x-3x-21-49=0

We add all the numbers together, and all the variables

7x-70=0

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

7x=70

x=70/7

x=10

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