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Solve by substitution y=-3x-19 and 5x+8y =0
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Solve by substitution y=-3x-19 and 5x+8y =0

User Jeff Walden
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2 Answers

10 votes
X is 8 and y is 5, have a nice day:)
User Montycarlo
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3.5k points
9 votes

Answer:

x=-8, y=5

Explanation:

y=-3x-19

5x+8y =0

Substituting -3x - 19 into y makes the second equation:

5x+8(-3x - 19) = 0

5x - 24x - 152 = 0

-19x = 152

x = -8

Plugging -8 into x, our first equation becomes:

y = -3(-8) - 19

y = 24 - 19

y = 5

User Giardino
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3.5k points
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