4x-7=-4(2x-1/2)

Solution for 4x-7=-4(2x-1/2) equation:

4x-7=-4(2x-1/2)

We move all terms to the left:

4x-7-(-4(2x-1/2))=0

We add all the numbers together, and all the variables

4x-(-4(+2x-1/2))-7=0

We multiply all the terms by the denominator


4x*2))-(-4(+2x-1-7*2))=0

We add all the numbers together, and all the variables

4x*2))-(-4(2x-15))=0

We add all the numbers together, and all the variables

4x*2))-(-4(2x=0

Wy multiply elements

8x^2=0

a = 8; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·8·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{16}=0$