x*2-4x=7

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Solution for x*2-4x=7 equation: 



x*2-4x=7

We move all terms to the left:

x*2-4x-(7)=0

We add all the numbers together, and all the variables

-4x+x*2-7=0

Wy multiply elements

-4x+2x-7=0

We add all the numbers together, and all the variables

-2x-7=0

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

-2x=7

x=7/-2

x=-3+1/2

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