2x+7+x-4=90

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Solution for 2x+7+x-4=90 equation:



2x+7+x-4=90
We move all terms to the left:
2x+7+x-4-(90)=0
We add all the numbers together, and all the variables
3x-87=0
We move all terms containing x to the left, all other terms to the right
3x=87
x=87/3
x=29

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