20x+25x=690

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Solution for 20x+25x=690 equation: 



20x+25x=690

We move all terms to the left:

20x+25x-(690)=0

We add all the numbers together, and all the variables

45x-690=0

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

45x=690

x=690/45

x=15+1/3

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