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Liner Equation

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Equations EQUATION ARE PROBLEMS THAT YOU HAVE TO SOLVE IN THE FUTURE Linear Equations Are Things Like y ÷ 3 = 5 y ÷ 3 × 3 = 5 × 3 y = 15, To solve a linear equation, use opposite operations to get the variable by itself. also remember to keep the equation balanced by doing the same thing to both sides of the equation..

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Examples1 Example: Solve for x.4x - 5 = 3 Solution: First, add 5 to both sides of the equation so that 4x is by itself on the left side of the equation. 4x - 5 + 5 = 3 + 54x = 8 Next, divide both sides of the equation by 4 so that x is by itself. 4x ÷ 4 = 8 ÷ 4x = 2 Then, check the answer by substituting 2 in for x in the original equation. 4(2) - 5 = 38 - 5 = 33 = 3 The equation is true when x = 2. Therefore, the solution is x = 2.

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Examples2 4y = 12 4y ÷ 4 = 12 ÷ 4 y = 3 The value of y = 3 makes the equation, 4 × 3 = 12, a true statement.

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Examples3 x - 5 = 10 x - 5 + 5 = 10 + 5 x = 15 The value of x = 15 makes the equation, 15 - 5 = 10, a true statement. y ÷ 3 = 5 y ÷ 3 × 3 = 5 × 3 y = 15 The value of y = 15 makes the equation, 15 ÷ 3 = 5, a true statement.

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Reference page 1: study island.com 2: group

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The Group Haylee Ginnetto! George Hunter ! Brittany Howard ! Courtney Davis !

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Lesson 4-2: Solving Systems – Substitution & Linear Combinations Objectives: Students will: Solve systems of equations using substitution and linear combinations.

Lesson 4-2: Solving Systems – Substitution & Linear Combinations Objectives: Students will: Solve systems of equations using substitution and linear combinations.

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