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Use substitution to solve each system of equations. 4x – 5y = –7 y = 5x
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Use substitution to solve each system of equations.

4x – 5y = –7
y = 5x

User Mohamed Sahbi
by
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2 Answers

7 votes
Refer to answers in the picture.
Use substitution to solve each system of equations. 4x – 5y = –7 y = 5x-example-1
User Lightlike
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4x - 5(5x)= -7
4x - 25x = -7
-21x = -7
x = 1/3

y = 5(1/3)
y = 5/3
User Ewok
by
3.8k points
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