x^2+8x+16=144+x^2

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Solution for x^2+8x+16=144+x^2 equation: 



x^2+8x+16=144+x^2

We move all terms to the left:

x^2+8x+16-(144+x^2)=0

We get rid of parentheses

x^2-x^2+8x-144+16=0

We add all the numbers together, and all the variables

8x-128=0

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

8x=128

x=128/8

x=16

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