Solving One-Step Equations Unit 10. To Solve an Equation 1.Isolate the variable – get the letter by itself Inverse Operation 2.Use the Inverse Operation.

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Presentation transcript:

Solving One-Step Equations Unit 10

To Solve an Equation 1.Isolate the variable – get the letter by itself Inverse Operation 2.Use the Inverse Operation to isolate the variable. 1.Addition Subtraction 2.Multiplication Division

when a number sits next to a variable with nothing in between the two, the operation is multiplication. EX: 2x=16 Multiplication

Number to move: the “2” 2x = 16 Operation being used: “x” Opposite of “x”: “  ” Example: x = 8 2 2

Divide each side by negative 3 x = -7 -3x = 21 -3

Examples

When a number is written as a fraction, the operation is division. Division

Number to move: the “2” x = 8 Operation being used: “  ” Opposite of “  ”: “x” 2

Multiply each side by 2 x = 16 x = 8 2 (2)

Examples

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