20+2a=5(a+1)

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Solution for 20+2a=5(a+1) equation:



20+2a=5(a+1)
We move all terms to the left:
20+2a-(5(a+1))=0
We calculate terms in parentheses: -(5(a+1)), so:
5(a+1)
We multiply parentheses
5a+5
Back to the equation:
-(5a+5)
We get rid of parentheses
2a-5a-5+20=0
We add all the numbers together, and all the variables
-3a+15=0
We move all terms containing a to the left, all other terms to the right
-3a=-15
a=-15/-3
a=+5

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