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Y = -5x + 24 y = 4x - 21 a. ( -5, -1) c. ( -1, 5) b. ( 5, -1) d. No solution
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Y = -5x + 24 y = 4x - 21 a. ( -5, -1) c. ( -1, 5) b. ( 5, -1) d. No solution
asked
May 20, 2019
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Y = -5x + 24 y = 4x - 21
a. ( -5, -1)
c. ( -1, 5)
b. ( 5, -1)
d. No solution
Mathematics
high-school
Glicuado
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4
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X=5
Y=-1
IM PRETTY SURE
Snugug
answered
May 21, 2019
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Snugug
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3
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Hello!
You can put y into one of the equations
4x - 21 = -5x + 24
Add 5x to both sides
9x - 21 = 24
Add 21 to both sides
9x = 45
Divide both sides by 9
x = 5
You can now put x into one of the original equations
y = 4(5) - 21
y = 20 - 21
y = -1
The answer are x = 5 and y = -1
Hope this helps!
Grigory Kislin
answered
May 26, 2019
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Grigory Kislin
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