Solve the system of equations.
3x – 4y = 8
18x – 5y = 10
X=
Y=
2 answers:
X = 0
Y = -2
You can plug them in just to check if you want
Answer:
X = 0
Y = -2
Step-by-step explanation:
3x = 4y + 8
x = (4y + 8)/3
18 [(4y + 8)/3] - 5y = 10
6(4y + 8) - 5y = 10
24y + 48 - 5y = 10
19y = -38
y = -2 (Plug y into either one of the original formulas.)
18x - 5(-2) = 10
18x + 10 = 10
18x = 0
x = 0 (Check your work to make sure you have correct answers.)
3(0) - 4(-2) = 8
0 + 8 = 8
8 = 8 ;)
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