14-05-2018
Mathematics

contestada

Find the solution of this system of equations. Separate the x- and y- values with a comma. x+4y=1 and x-y=1

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jonsto01 jonsto01

14-05-2018

Equation 1: x+4y=1
Equation 2: x-y=1

solve equation 2 for x: x=1-y
substitute 1-y into equation 1: (1-y) +4y=1
solve for y: 1-y+4y=1
1+3y=1
3y=0
y=0
Substitute y=0 into equation 2: x-(0)=1
x=1
Solution: (1,0)

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