3.9x+5=1.9x+9

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Solution for 3.9x+5=1.9x+9 equation: 



3.9x+5=1.9x+9

We move all terms to the left:

3.9x+5-(1.9x+9)=0

We get rid of parentheses

3.9x-1.9x-9+5=0

We add all the numbers together, and all the variables

2x-4=0

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

2x=4

x=4/2

x=2

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