3.7=6.9-0.8x

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Solution for 3.7=6.9-0.8x equation: 



3.7=6.9-0.8x

We move all terms to the left:

3.7-(6.9-0.8x)=0

We add all the numbers together, and all the variables

-(-0.8x+6.9)+3.7=0

We get rid of parentheses

0.8x-6.9+3.7=0

We add all the numbers together, and all the variables

0.8x-3.2=0

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

0.8x=3.2

x=3.2/0.8

x=4

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