3.5x-81=1.8x+4

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Solution for 3.5x-81=1.8x+4 equation:



3.5x-81=1.8x+4
We move all terms to the left:
3.5x-81-(1.8x+4)=0
We get rid of parentheses
3.5x-1.8x-4-81=0
We add all the numbers together, and all the variables
1.7x-85=0
We move all terms containing x to the left, all other terms to the right
1.7x=85
x=85/1.7
x=50

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