7x+3.9-4.9x=0.7x-3.8

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Solution for 7x+3.9-4.9x=0.7x-3.8 equation: 



7x+3.9-4.9x=0.7x-3.8

We move all terms to the left:

7x+3.9-4.9x-(0.7x-3.8)=0

We add all the numbers together, and all the variables

2.1x-(0.7x-3.8)+3.9=0

We get rid of parentheses

2.1x-0.7x+3.8+3.9=0

We add all the numbers together, and all the variables

1.4x+7.7=0

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

1.4x=-7.7

x=-7.7/1.4

x=-5+0.7/1.4

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