3.90x=50+85

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Solution for 3.90x=50+85 equation: 



3.90x=50+85

We move all terms to the left:

3.90x-(50+85)=0

We add all the numbers together, and all the variables

3.90x-135=0

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

3.90x=135

x=135/3.90

x=34+2.4/3.90

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