2.3x-15+4.2x=69.5

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Solution for 2.3x-15+4.2x=69.5 equation: 



2.3x-15+4.2x=69.5

We move all terms to the left:

2.3x-15+4.2x-(69.5)=0

We add all the numbers together, and all the variables

6.5x-84.5=0

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

6.5x=84.5

x=84.5/6.5

x=13

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