7x+2x=10+15

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Solution for 7x+2x=10+15 equation: 



7x+2x=10+15

We move all terms to the left:

7x+2x-(10+15)=0

We add all the numbers together, and all the variables

7x+2x-25=0

We add all the numbers together, and all the variables

9x-25=0

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

9x=25

x=25/9

x=2+7/9

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