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# 7.3: Solve for the Unknown Extras

Created by: CK-12

Extra for Experts: Solve for the Unknown - Apply Order of Operations

Figure out the value of each variable.

Follow the order of operations:

Parentheses first

Multiplication and division, left to right

Addition and subtraction, left to right

$1. \quad 12 + 2 \times 3 \div 6 + (7 - 4) = q\!\\\!\\{\;} \quad \ q = \underline{\;\;\;\;\;\;\;\;\;\;\;\;\;\;}\!\\\!\\2. \quad 4 \times (6 - 2) \div 2 \times 3 = t\!\\\!\\{\;} \quad \ t = \underline{\;\;\;\;\;\;\;\;\;\;\;\;\;\;}\!\\\!\\3. \quad 2 \times (11 - 1) \div 2 = g\!\\\!\\{\;} \quad \ g = \underline{\;\;\;\;\;\;\;\;\;\;\;\;\;\;}\!\\\!\\4. \quad 3 \times (12 - 4) - (5 - 2) = m\!\\\!\\{\;} \quad \ m = \underline{\;\;\;\;\;\;\;\;\;\;\;\;\;\;}\!\\\!\\5. \quad 5 \times (7 + 3) \div 2 + 25 = s\!\\\!\\{\;} \quad \ s = \underline{\;\;\;\;\;\;\;\;\;\;\;\;\;\;}$

Solutions

1. $q = 16$
2. $t = 24$
3. $g = 10$
4. $m = 21$
5. $s = 50$

## Date Created:

Feb 23, 2012

Apr 29, 2014
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