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Published byTatiana Tippetts Modified over 3 years ago

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Objective: Students will be able to write and solve two- step equations with one variable!

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- 4 -4 +18 +18 4 y = 8 ::

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2x + 5 = -3 What is on the same side of the equal sign as the variable x ? And what mathematical operations are being done to the variable? Rule #1: ALWAYS UNDO ADDITION OR SUBTRACTION FIRST (This turns your equation into a one-step equation.) - 5 -5 2x = -8 Rule #2: Undo Multiplication or division after addition or subtraction!!!! Now you have created a one-step equation which you already know how to solve! 2 : : : X = -4

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What is on the same side of the equal sign as the variable x ? And what mathematical operations are being done to the variable x ? - 7 -7 ::

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Solving Literal Equations When solving for a variable, you must isolate the variable. Think about opposites, how do you undo addition? Subtraction? Multiplication?

Solving Literal Equations When solving for a variable, you must isolate the variable. Think about opposites, how do you undo addition? Subtraction? Multiplication?

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