(x-30)=4(x/2)-30

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Solution for (x-30)=4(x/2)-30 equation:



(x-30)=4(x/2)-30
We move all terms to the left:
(x-30)-(4(x/2)-30)=0
We add all the numbers together, and all the variables
(x-30)-(4(+x/2)-30)=0
We get rid of parentheses
x-(4(+x/2)-30)-30=0
We multiply all the terms by the denominator
x*2)-30)-(4(+x-30*2)-30)=0
We add all the numbers together, and all the variables
x*2)-30)-(4(x-60)-30)=0
We add all the numbers together, and all the variables
x*2)-30)-(4(x=0
Wy multiply elements
2x^2=0
a = 2; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·2·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{4}=0$

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