Replace a Variable with an Integer and Solve

In math vocabulary, the word substitute means...

• To replace a variable with its number value

• When the teacher is absent.

• Something you shouldn't accept.

• Doing nothing.

Tags

vocab

What does substitution mean?

• to replace letters with number to solve an equation or find the value of an expression

• to solve equations with x

• to swap the letter order in an equation

• I don't know

2q + 3

q = 5

• 11

• 15

• 17

• 13

18 = -3c

• c = 6

• c = -6

• c = 15

• c = -15

w - (-2) = 6

• w = -4

• w = 4

• w = 8

• w = -8

Some number added to 5 is equal to -11. What is that number?

• 11

• -15

• 6

• -16

Evalute: 
-15m when m = 2

• -30

• 30

• 13

• -13

The sum of a number, n, and 8 is multiplied by -4 and the result is -12. What is the number?

• n = -5

• n = 1

• n = 5

• n = 11

n + (-8) = 5

• n = 13

• n = -13

• n = 3

• n = -3

Jane thought of a number, then she added -5 and subtracted -8 to get 13. What number did Jane start with?

• 0

• 10

• 13

• 26