7m=9(m/4)

Solution for 7m=9(m/4) equation:

7m=9(m/4)

We move all terms to the left:

7m-(9(m/4))=0

We add all the numbers together, and all the variables

7m-(9(+m/4))=0

We multiply all the terms by the denominator


7m*4))-(9(+m=0

We add all the numbers together, and all the variables

m+7m*4))-(9(=0

Wy multiply elements

28m^2+m=0

a = 28; b = 1; c = 0;
Δ = b2-4ac
Δ = 12-4·28·0
Δ = 1
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$m_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$m_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{1}=1$
$m_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(1)-1}{2*28}=\frac{-2}{56}
=-1/28
$
$m_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(1)+1}{2*28}=\frac{0}{56}
=0
$