3x-5=7,x=4

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Solution for 3x-5=7,x=4 equation: 



3x-5=7.x=4

We move all terms to the left:

3x-5-(7.x)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

3x-7.x-5=0

We add all the numbers together, and all the variables

-4x-5=0

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

-4x=5

x=5/-4

x=-1+1/4

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