5a-7=5(a+1)+15a+5

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Solution for 5a-7=5(a+1)+15a+5 equation: 



5a-7=5(a+1)+15a+5

We move all terms to the left:

5a-7-(5(a+1)+15a+5)=0



We calculate terms in parentheses: -(5(a+1)+15a+5), so:

5(a+1)+15a+5

We add all the numbers together, and all the variables

15a+5(a+1)+5

We multiply parentheses

15a+5a+5+5

We add all the numbers together, and all the variables

20a+10

Back to the equation:

-(20a+10)



We get rid of parentheses

5a-20a-10-7=0

We add all the numbers together, and all the variables

-15a-17=0

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

-15a=17

a=17/-15

a=-1+2/15

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