SOLUTION: Solve the system by the sustitution method: 3x

SOLUTION: Solve the system by the sustitution method: 3x - 2y = 0 5x + 10y =4

Question 317903: Solve the system by the sustitution method: 3x - 2y = 0
5x + 10y =4
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Solve the system by the sustitution method:
3x - 2y = 0
5x + 10y =4
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Solve the 1st equation for "y":
y = (3/2)x
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Substitute for "y" in the 2nd equation and solve for "x":
5x + 10(3/2)x = 4
5x + 15x = 4
20x = 4
x = 4/20
x = 1/5
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Since y = (3/2)x, y = (3/2)(1/5) = 3/10
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Cheers,
Stan H.
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