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x+3.7x=50-1.9x
We move all terms to the left:
x+3.7x-(50-1.9x)=0
We add all the numbers together, and all the variables
x+3.7x-(-1.9x+50)=0
We add all the numbers together, and all the variables
4.7x-(-1.9x+50)=0
We get rid of parentheses
4.7x+1.9x-50=0
We add all the numbers together, and all the variables
6.6x-50=0
We move all terms containing x to the left, all other terms to the right
6.6x=50
x=50/6.6
x=7+1/1.7368421052632
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