2(5+2x)=4(.3x+9/10)

Solution for 2(5+2x)=4(.3x+9/10) equation:

2(5+2x)=4(.3x+9/10)

We move all terms to the left:

2(5+2x)-(4(.3x+9/10))=0

We add all the numbers together, and all the variables

2(2x+5)-(4(+.3x+9/10))=0

We multiply parentheses

4x-(4(+.3x+9/10))+10=0

We multiply all the terms by the denominator


4x*10))-(4(+.3x+9+10*10))=0

We add all the numbers together, and all the variables

4x*10))-(4(.3x+109))=0

We add all the numbers together, and all the variables

4x*10))-(4(.3x=0

Wy multiply elements

40x^2=0

a = 40; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·40·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{80}=0$