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3(q-5)=4(2q+10)/2
We move all terms to the left:
3(q-5)-(4(2q+10)/2)=0
We multiply parentheses
3q-(4(2q+10)/2)-15=0
We multiply all the terms by the denominator
3q*2)-(4(2q+10)-15*2)=0
We add all the numbers together, and all the variables
3q*2)-(4(2q+10)=0
Wy multiply elements
6q^2=0
a = 6; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·6·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$q=\frac{-b}{2a}=\frac{0}{12}=0$
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