-105.7=-7(4.6+1.4a)

Solution for -105.7=-7(4.6+1.4a) equation:

-105.7=-7(4.6+1.4a)

We move all terms to the left:

-105.7-(-7(4.6+1.4a))=0

We add all the numbers together, and all the variables

-(-7(1.4a+4.6))-105.7=0


We calculate terms in parentheses: -(-7(1.4a+4.6)), so:

-7(1.4a+4.6)

We multiply parentheses

-7a-32.2

Back to the equation:

-(-7a-32.2)


We get rid of parentheses

7a+32.2-105.7=0

We add all the numbers together, and all the variables

7a-73.5=0

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

7a=73.5

a=73.5/7

a=10+2.3333333333333/4.6666666666667