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kelsotay5480
21.04.2020 •
Mathematics
I need to solve this system of equations, how do I do that?
3x-4y=20
y=3/4x-5
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Ответ:
Is is Infinitely many solutions so 0=0
Step-by-step explanation:
First we have to rearrange/simplify the equations:Equation 1: 4y - 3x = -20
Equation (2): y - 3x/4 = -5
Then you remove the fractions by multiplication:Multiply equation (2) by 4
The Equations now look like this:Equation 1: 4y - 3x = -20
Equation (2): 4y - 3x = -20
Solve for y on Equation (2):y = 3x/4 - 5
Then plug in this for the y in Equation 1 and then solve:4•(3x/4-5) - 3x = -20
Therefore the answer leads to:
Infinitely many solutions, 0=0
Hope this helped :')
Ответ:
2c^2
Step by step explanation: