21x-5=5(4x+3)-10

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Solution for 21x-5=5(4x+3)-10 equation: 



21x-5=5(4x+3)-10

We move all terms to the left:

21x-5-(5(4x+3)-10)=0



We calculate terms in parentheses: -(5(4x+3)-10), so:

5(4x+3)-10

We multiply parentheses

20x+15-10

We add all the numbers together, and all the variables

20x+5

Back to the equation:

-(20x+5)



We get rid of parentheses

21x-20x-5-5=0

We add all the numbers together, and all the variables

x-10=0

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

x=10

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