-7(x-1)=-3(2x+2/3)

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Solution for -7(x-1)=-3(2x+2/3) equation: 



-7(x-1)=-3(2x+2/3)

We move all terms to the left:

-7(x-1)-(-3(2x+2/3))=0

We add all the numbers together, and all the variables

-7(x-1)-(-3(+2x+2/3))=0

We multiply parentheses

-7x-(-3(+2x+2/3))+7=0

We multiply all the terms by the denominator


-7x*3))-(-3(+2x+2+7*3))=0

We add all the numbers together, and all the variables

-7x*3))-(-3(2x+23))=0

We add all the numbers together, and all the variables

-7x*3))-(-3(2x=0

Wy multiply elements

-21x^2=0

a = -21; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-21)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{-42}=0$

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