Unit 2 Lesson 5 Algebra

Steps:

1. LINE UP the equations.

2. MULTIPLY one or both equations by a number to result in a variable

3. with the same coefficient.

4. ADD or SUBTRACT the equations to eliminate this variable.

5. SOLVE for the remaining variable.

6. SUBSTITUTE your answer from step 4 into either original equation to find the other variable.​

1. x+7y=17

x-y=-7​

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2. 4x-9y=-42

   x+5y=4​

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​Systems of Equations

• Graphing

• Substitution

• Elimination​

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In the next two problems, you choose which method you will use to solve the system of equations.

Subject | Subject

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