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Y=-5 5x+4y=-20 it say solve by substitution
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2 votes
Y=-5
5x+4y=-20
it say solve by substitution

User Manuel Beaudru
by
8.2k points

2 Answers

3 votes
y = -5
5x + 4y = -20

5x + 4y = -20
5x + 4(-5) = -20
5x - 20 = -20
+ 20 + 20
5x = 0
5 5
x = 0
(x, y) = (0, -5)
User Shubham Choudhary
by
8.7k points
7 votes
Y=-5
5x+4y=-20

Substitute y into the equation.

5x + 4(-5) = -20
5x + -20 = -20
+20 +20

5x = 0
x = 0

Now we have our values.

Answer: y = -5 and x = 0

User Rad
by
8.5k points
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