1.3 notes - 1 Solving an Equation for One of Its Variables...

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1.3 Notes: Solving Equations Warm – up: Simplify each expression. 1) 5x – 9x + 3 2) –(3 – c) – 4(c – 1) Objective: - solve equations and write equations Solve an Equation w/Variable on Both Sides 13y + 48 = 8y – 47 Check your answer: Use the Distributive Property 3x – 7(2x – 13) = 3(-2x + 9) Check: Solving a Formula for One of Its Variables Formula for area of a trapezoid: Solve for h. Solve the same formula for b
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Unformatted text preview: 1 . Solving an Equation for One of Its Variables Solve b x a x = + 1 for x. Find any restrictions on a and b. Solve ax + bx – 15 = 0 for x. A rectangle is twice as long as it is wide. Its perimeter is 48 cm. Find its dimensions (length and width). Using Ratios The lengths of a triangle are in ratio 3:4:5. The perimeter of the triangle is 18 in. Find the lengths of the sides....
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