4a-15=2(a+1)+19a+3

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Solution for 4a-15=2(a+1)+19a+3 equation: 



4a-15=2(a+1)+19a+3

We move all terms to the left:

4a-15-(2(a+1)+19a+3)=0



We calculate terms in parentheses: -(2(a+1)+19a+3), so:

2(a+1)+19a+3

We add all the numbers together, and all the variables

19a+2(a+1)+3

We multiply parentheses

19a+2a+2+3

We add all the numbers together, and all the variables

21a+5

Back to the equation:

-(21a+5)



We get rid of parentheses

4a-21a-5-15=0

We add all the numbers together, and all the variables

-17a-20=0

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

-17a=20

a=20/-17

a=-1+3/17

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