21(2-x)+12x=49

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Solution for 21(2-x)+12x=49 equation: 



21(2-x)+12x=49

We move all terms to the left:

21(2-x)+12x-(49)=0

We add all the numbers together, and all the variables

21(-1x+2)+12x-49=0

We add all the numbers together, and all the variables

12x+21(-1x+2)-49=0

We multiply parentheses

12x-21x+42-49=0

We add all the numbers together, and all the variables

-9x-7=0

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

-9x=7

x=7/-9

x=-7/9

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