'Undo addition' diaporamas de présentation

Basic Logarithms

Basic Logarithms. A way to Undo exponents. Many things we do in mathematics involve undoing an operation. Subtraction is the inverse of addition. When you were in grade school, you probably learned about subtraction this way. 2 + = 8 7 + = 10.

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Solving Equations

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Simplify.

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Warm-Up

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Solving Two-Step Equations

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One Step Equations

One Step Equations. Using Subtraction, Addition, Multiplication and Division. How do we solve an equation???. We have to isolate the variable. To do this you have to get the variable with a coefficient of 1 alone on one side of the equation.

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Solving Two-Step Equations

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Lesson 3-4 Solving Multi-Step Inequalities

Lesson 3-4 Solving Multi-Step Inequalities. Objectives: To solve multi-step inequalities with the variable on one and/or both sides. Real-World Connection.

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Solving Multi-Step Equations

Solving Multi-Step Equations. 7.2. Useful Steps to Solve a Multi-Step Equations. Distribute (if necessary) Combine like terms (if one same side of equation) Undo addition or subtraction Undo multiplication or division. 2x + 7 + x =16. 3x+7 =16 3x =9 X=3. -3(m-6)=4. -3m +18 =4 -3m=-14

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OPEN RESPONSE QUESTION FROM MCAS SPRING 2004, GRADE 10, #17

INTRODUCTION. OPEN RESPONSE QUESTION FROM MCAS SPRING 2004, GRADE 10, #17.

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Solving two step Inequalities

<. >. <. <. Solving two step Inequalities. <. <. <. >. Solving an Inequality. Follow the same rules and steps that we used to solve an equation. Always undo addition or subtraction first, then multiplication or division.

1.19k views • 11 slides

Solving Equations

Solving Equations. Variables on Both Sides. get the letter by itself. Steps to solve. variable. 1. Use distributive property on each side. 2. Combine like terms on each side. 3. Get the variable on one side. 4. Undo addition or subtraction. 5. Undo multiplication or division.

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Aim: How do we formally solve two-step equations?

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