124=4(1+5a)

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Solution for 124=4(1+5a) equation:



124=4(1+5a)
We move all terms to the left:
124-(4(1+5a))=0
We add all the numbers together, and all the variables
-(4(5a+1))+124=0
We calculate terms in parentheses: -(4(5a+1)), so:
4(5a+1)
We multiply parentheses
20a+4
Back to the equation:
-(20a+4)
We get rid of parentheses
-20a-4+124=0
We add all the numbers together, and all the variables
-20a+120=0
We move all terms containing a to the left, all other terms to the right
-20a=-120
a=-120/-20
a=+6

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