40+7a=8+2(1+a)

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Solution for 40+7a=8+2(1+a) equation: 



40+7a=8+2(1+a)

We move all terms to the left:

40+7a-(8+2(1+a))=0

We add all the numbers together, and all the variables

7a-(8+2(a+1))+40=0



We calculate terms in parentheses: -(8+2(a+1)), so:

8+2(a+1)

determiningTheFunctionDomain
2(a+1)+8

We multiply parentheses

2a+2+8

We add all the numbers together, and all the variables

2a+10

Back to the equation:

-(2a+10)



We get rid of parentheses

7a-2a-10+40=0

We add all the numbers together, and all the variables

5a+30=0

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

5a=-30

a=-30/5

a=-6

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