1x+3x=2x-1

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Solution for 1x+3x=2x-1 equation: 



1x+3x=2x-1

We move all terms to the left:

1x+3x-(2x-1)=0

We add all the numbers together, and all the variables

4x-(2x-1)=0

We get rid of parentheses

4x-2x+1=0

We add all the numbers together, and all the variables

2x+1=0

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

2x=-1

x=-1/2

x=-1/2

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