Answer:
Solution: (-4,5)
Step-by-step explanation:
x=16-4y
3x+4y=8
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The 1st equation tells you x = 16-4y
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Substitute that into the 2nd equation
and solve for "y":
3(16-4y)+4y = 8
48 - 12y + 4y = 8
-8y = -40
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y = 5
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Solve for "x"
x = 16-4y
x = 16-4*5
x = 16-20
x = -4
