Solving One-Step Equations © 2007 by S - Squared, Inc. All Rights Reserved.
Equation: one expression equal to another expression Example : 3x is a variable expression 9 is a numerical expression 3x = 9 is an equation
GOAL: To find the value(s) of the variable that make an equation true. Solve:3x = 9 Solution: x = 3 Example :
To solve an equation, use INVERSE operations to isolate the variable Addition Multiplication Division Subtraction INVERSE
Divide by 4 ___
Solve: Multiply by
Subtract 7
Solve: Add 9 + 9
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