-28x+6=-3(1+7x)7x

Solution for -28x+6=-3(1+7x)7x equation:

-28x+6=-3(1+7x)7x

We move all terms to the left:

-28x+6-(-3(1+7x)7x)=0

We add all the numbers together, and all the variables

-28x-(-3(7x+1)7x)+6=0


We calculate terms in parentheses: -(-3(7x+1)7x), so:

-3(7x+1)7x

We multiply parentheses

-147x^2-21x

Back to the equation:

-(-147x^2-21x)


We get rid of parentheses

147x^2+21x-28x+6=0

We add all the numbers together, and all the variables

147x^2-7x+6=0

a = 147; b = -7; c = +6;
Δ = b2-4ac
Δ = -72-4·147·6
Δ = -3479
Delta is less than zero, so there is no solution for the equation