4+5x-7x-10=-21

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Solution for 4+5x-7x-10=-21 equation: 



4+5x-7x-10=-21

We move all terms to the left:

4+5x-7x-10-(-21)=0

We add all the numbers together, and all the variables

-2x+15=0

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

-2x=-15

x=-15/-2

x=7+1/2

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