7=-21-x/4

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Solution for 7=-21-x/4 equation: 



7=-21-x/4

We move all terms to the left:

7-(-21-x/4)=0

We add all the numbers together, and all the variables

-(-x/4-21)+7=0

We get rid of parentheses

x/4+21+7=0

We multiply all the terms by the denominator


x+21*4+7*4=0

We add all the numbers together, and all the variables

x+112=0

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

x=-112

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