From the set {1, 3, 5}, use substitution to determine which value of x makes the equation true.

20 - 2x = 10

5

1

3

none of these

Question

Mathematics

Patience Ellis

25 February, 06:06

From the set {1, 3, 5}, use substitution to determine which value of x makes the equation true.

20 - 2x = 10

5

1

3

none of these

+3

Answers (1)

Know the Answer?

Clare Summers · Answer 1

{1,3,5}

ie, sub 1, 3 and 5 for x and see which one is true

20-2 (1) = 10

20-2=10

18=10

false

20-2 (3) = 10

20-6=10

14=10

false

20-2 (5) = 10

20-10=10

10=10

true

answer is 5

From the set {1, 3, 5}, use substitution to determine which value of x makes the equation true.20 - 2x = 10513none of these

From the set {1, 3, 5}, use substitution to determine which value of x makes the equation true.

20 - 2x = 10

5

1

3

none of these