5x-2(20-x)=51

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Solution for 5x-2(20-x)=51 equation: 



5x-2(20-x)=51

We move all terms to the left:

5x-2(20-x)-(51)=0

We add all the numbers together, and all the variables

5x-2(-1x+20)-51=0

We multiply parentheses

5x+2x-40-51=0

We add all the numbers together, and all the variables

7x-91=0

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

7x=91

x=91/7

x=13

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