-4x+-7=-21

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



-4x+-7=-21

We move all terms to the left:

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

We add all the numbers together, and all the variables

-4x+14=0

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

-4x=-14

x=-14/-4

x=3+1/2

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