Solving Unknown Variable Equations

The equation is 14 + x = 21. What is the value of x?

3x + 2 = 8. What is the value of x?

• x = 3

• x = 2

• x = 6

• x = 8

• x = 5

Solve for the value of the variable

• 3

• -3

• 0

• 10

y + 8 = 45

• y = 8

• y = 37

• y = 45

• y = 27

10n = 80

• n = 80

• n = 10

• n = 8

• n = 100

Solve for T.

T + 14 = 63

• T = 49

• T = 39

• T = 77

Solve for X.

45 = X - 12

• X = 34

• X = 12

• X = 57

What is a Variable?

• A letter with an unknown value or amount.

• The sound I make when solving algebra.

• The answer in an algebraic expression