Best Answer

y=8

y = 2x

y = 2(4) <-- substitute 4 for x

y = 8 <-- this is your answer

Q: What is the value of y equals 2x when x equals 4?

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x = 4

X=-7

x = 7

18

x = 3 y = 4 2x + y - 1 = (6) + (4) - 1 = 9

Related questions

x = 4

2x -6 = 4 then 2x = 4 +6 x=10/2 = 5

2x - 6 = 4 2x = 4 + 6 = 10 x = 10/2 = 5 ∴ x = 5

5

X=-7

2x - 4 = 12Add 4 to each side:2x = 16Divide each side by 2:x = 8

x = 7

18

x = 3 y = 4 2x + y - 1 = (6) + (4) - 1 = 9

If x=4 then 2x+7 =

7

X=7