42=6a+(41-4a)

Solution for 42=6a+(41-4a) equation:

42=6a+(41-4a)

We move all terms to the left:

42-(6a+(41-4a))=0

We add all the numbers together, and all the variables

-(6a+(-4a+41))+42=0


We calculate terms in parentheses: -(6a+(-4a+41)), so:

6a+(-4a+41)

We get rid of parentheses

6a-4a+41

We add all the numbers together, and all the variables

2a+41

Back to the equation:

-(2a+41)


We get rid of parentheses

-2a-41+42=0

We add all the numbers together, and all the variables

-2a+1=0

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

-2a=-1

a=-1/-2

a=1/2