3x+5x-3=18

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Solution for 3x+5x-3=18 equation: 



3x+5x-3=18

We move all terms to the left:

3x+5x-3-(18)=0

We add all the numbers together, and all the variables

8x-21=0

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

8x=21

x=21/8

x=2+5/8

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