31+4x=45+2x

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Solution for 31+4x=45+2x equation: 



31+4x=45+2x

We move all terms to the left:

31+4x-(45+2x)=0

We add all the numbers together, and all the variables

4x-(2x+45)+31=0

We get rid of parentheses

4x-2x-45+31=0

We add all the numbers together, and all the variables

2x-14=0

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

2x=14

x=14/2

x=7

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