10x-30x+21x=5-8

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Solution for 10x-30x+21x=5-8 equation: 



10x-30x+21x=5-8

We move all terms to the left:

10x-30x+21x-(5-8)=0

We add all the numbers together, and all the variables

10x-30x+21x-(-3)=0

We add all the numbers together, and all the variables

x+3=0

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

x=-3

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