3+4.2x=1-1.8x

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Solution for 3+4.2x=1-1.8x equation: 



3+4.2x=1-1.8x

We move all terms to the left:

3+4.2x-(1-1.8x)=0

We add all the numbers together, and all the variables

4.2x-(-1.8x+1)+3=0

We get rid of parentheses

4.2x+1.8x-1+3=0

We add all the numbers together, and all the variables

6x+2=0

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

6x=-2

x=-2/6

x=-1/3

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