15x-45+5x=90

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Solution for 15x-45+5x=90 equation: 



15x-45+5x=90

We move all terms to the left:

15x-45+5x-(90)=0

We add all the numbers together, and all the variables

20x-135=0

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

20x=135

x=135/20

x=6+3/4

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