Substitute Value in Equation

Which vocabulary word best describes this: x + 47 = 95

• expression

• equation

• coefficient

• constant

If y = 7x +2, what is y when x = 4?

• 76

• 28

• 30

• 13

You are given the equation
2x + 3y = 6
Substitute the values (3, 0) into the equation. Which equation below shows a correct substitution? 2(​ (a)   )+3(​​ (b)   ) = 6

• 3

• 0

• 3x

• 0y

• 6

• 9

What does it mean to substitute?

• to remember

• to replace or to plug in

• to get rid of or to take away

• to connect the dots

• 2

• 6

• 12
  

• 18

• 36

• 1

• 5

• 7
  

• 9

• 11

• f = 0

• f = 4

• f = 9

• f = 13

• f = 15

Use substitution to determine if x = 8 is a possible solution to the equation

-3x + 10 = -14

• Yes, it is a solution.

• No, it is not a solution.

• 0

• 4

• 9
  

• 13

• 15