(3x+6)+4x=90

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Solution for (3x+6)+4x=90 equation:



(3x+6)+4x=90
We move all terms to the left:
(3x+6)+4x-(90)=0
We add all the numbers together, and all the variables
4x+(3x+6)-90=0
We get rid of parentheses
4x+3x+6-90=0
We add all the numbers together, and all the variables
7x-84=0
We move all terms containing x to the left, all other terms to the right
7x=84
x=84/7
x=12

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