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What is the value for y in the following expression y=-2x+8 when x=20
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What is the value for y in the following expression y=-2x+8 when x=20

User Serban Teodorescu
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2 Answers

2 votes
plug in 20 for x. y=-2(20)+8; y= -32
User Dennis Kioko
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4.7k points
1 vote

Answer:

y = -32

Explanation:


y=-2x+8\\\\x=20

Substitute ; x =20 in given equation


y =-2(20 )+8\\\\y = -40+8\\\\y = -32

User Abhinav Singi
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4.5k points
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