3x+20=7x+5

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Solution for 3x+20=7x+5 equation: 



3x+20=7x+5

We move all terms to the left:

3x+20-(7x+5)=0

We get rid of parentheses

3x-7x-5+20=0

We add all the numbers together, and all the variables

-4x+15=0

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

-4x=-15

x=-15/-4

x=3+3/4

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