3(5+8)=21+5a

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Solution for 3(5+8)=21+5a equation: 



3(5+8)=21+5a

We move all terms to the left:

3(5+8)-(21+5a)=0

We add all the numbers together, and all the variables

-(5a+21)+313=0

We get rid of parentheses

-5a-21+313=0

We add all the numbers together, and all the variables

-5a+292=0

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

-5a=-292

a=-292/-5

a=58+2/5

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