7a+1-3a=4a+2(1/2)

Solution for 7a+1-3a=4a+2(1/2) equation:

7a+1-3a=4a+2(1/2)

We move all terms to the left:

7a+1-3a-(4a+2(1/2))=0

We add all the numbers together, and all the variables

7a-3a-(4a+2(+1/2))+1=0

We add all the numbers together, and all the variables

4a-(4a+2(+1/2))+1=0

We multiply all the terms by the denominator


4a*2))-(4a+2(+1+1*2))=0

We add all the numbers together, and all the variables

4a*2))-(4a+23)=0

Wy multiply elements

8a^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:
$a=\frac{-b}{2a}=\frac{0}{16}=0$