7x+4=-21

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Solution for 7x+4=-21 equation: 



7x+4=-21

We move all terms to the left:

7x+4-(-21)=0

We add all the numbers together, and all the variables

7x+25=0

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

7x=-25

x=-25/7

x=-3+4/7

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