10x+2x=30-3x

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Solution for 10x+2x=30-3x equation: 



10x+2x=30-3x

We move all terms to the left:

10x+2x-(30-3x)=0

We add all the numbers together, and all the variables

10x+2x-(-3x+30)=0

We add all the numbers together, and all the variables

12x-(-3x+30)=0

We get rid of parentheses

12x+3x-30=0

We add all the numbers together, and all the variables

15x-30=0

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

15x=30

x=30/15

x=2

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