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Regan Poole
Mathematics
31 August, 21:15
What is y=1/2x + 2 y = - x + 5 using subsitution
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Amare Webb
31 August, 21:22
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Y=1/2x+2
y=-x+5
subsitute since they both equal y
1/2x+2=y=-x+5
1/2x+2=-x+5
subtract 2 from both sides
1/2x=-x+3
multiply both sides by 2
x=-2x+6
add 2x to both sides
3x=6
divide both sides by 3
x=2
subsitue
y=-x=5
y=-2+5
y=3
x=2 and y=3
solution in (x, y) form is (2,3)
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