6.9=9.7-0.4x

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Solution for 6.9=9.7-0.4x equation: 



6.9=9.7-0.4x

We move all terms to the left:

6.9-(9.7-0.4x)=0

We add all the numbers together, and all the variables

-(-0.4x+9.7)+6.9=0

We get rid of parentheses

0.4x-9.7+6.9=0

We add all the numbers together, and all the variables

0.4x-2.8=0

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

0.4x=2.8

x=2.8/0.4

x=6+0.4/0.4

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