Question

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

Answer 1

Answer:

y = -32

Step-by-step explanation:

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

Substitute ; x =20 in given equation

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

Answer 2

Plug in 20 for x. y=-2(20)+8; y= -32