7x+2=2x-21/2

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Solution for 7x+2=2x-21/2 equation: 



7x+2=2x-21/2

We move all terms to the left:

7x+2-(2x-21/2)=0

We add all the numbers together, and all the variables

7x-(+2x-21/2)+2=0

We get rid of parentheses

7x-2x+2+21/2=0

We multiply all the terms by the denominator


7x*2-2x*2+21+2*2=0

We add all the numbers together, and all the variables

7x*2-2x*2+25=0

Wy multiply elements

14x-4x+25=0

We add all the numbers together, and all the variables

10x+25=0

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

10x=-25

x=-25/10

x=-2+1/2

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