0.7x+0.8x=3

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Solution for 0.7x+0.8x=3 equation: 



0.7x+0.8x=3

We move all terms to the left:

0.7x+0.8x-(3)=0

We add all the numbers together, and all the variables

1.5x-3=0

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

1.5x=3

x=3/1.5

x=2

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