3.5x+5x=15

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Solution for 3.5x+5x=15 equation: 



3.5x+5x=15

We move all terms to the left:

3.5x+5x-(15)=0

We add all the numbers together, and all the variables

8.5x-15=0

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

8.5x=15

x=15/8.5

x=1+2.6/3.4

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