45-4x=-21

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Solution for 45-4x=-21 equation: 



45-4x=-21

We move all terms to the left:

45-4x-(-21)=0

We add all the numbers together, and all the variables

-4x+66=0

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

-4x=-66

x=-66/-4

x=16+1/2

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