2x+x+45=90

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Solution for 2x+x+45=90 equation:



2x+x+45=90
We move all terms to the left:
2x+x+45-(90)=0
We add all the numbers together, and all the variables
3x-45=0
We move all terms containing x to the left, all other terms to the right
3x=45
x=45/3
x=15

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