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7x+2+2x=4(2x+1/2)
We move all terms to the left:
7x+2+2x-(4(2x+1/2))=0
We add all the numbers together, and all the variables
7x+2x-(4(+2x+1/2))+2=0
We add all the numbers together, and all the variables
9x-(4(+2x+1/2))+2=0
We multiply all the terms by the denominator
9x*2))-(4(+2x+1+2*2))=0
We add all the numbers together, and all the variables
9x*2))-(4(2x+5))=0
We add all the numbers together, and all the variables
9x*2))-(4(2x=0
Wy multiply elements
18x^2=0
a = 18; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·18·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$x=\frac{-b}{2a}=\frac{0}{36}=0$
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