(4+x)=7+9

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Solution for (4+x)=7+9 equation: 



(4+x)=7+9

We move all terms to the left:

(4+x)-(7+9)=0

We add all the numbers together, and all the variables

(x+4)-16=0

We get rid of parentheses

x+4-16=0

We add all the numbers together, and all the variables

x-12=0

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

x=12

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