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1.4 Rewriting Equations and Formulas

1.4 Rewriting Equations and Formulas. literal equation – has two or more variables. formula – a literal equation that shows how one variable is related to one or more other variables. Solve the literal equation for y . 1) 13x ‒ 8 = 10 + 7y. ‒ 10 ‒ 10. 13x ‒ 18 = 7y. 7 7.

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1.4 Rewriting Equations and Formulas

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  1. 1.4 Rewriting Equations and Formulas

  2. literal equation – has two or more variables formula – a literal equation that shows how one variable is related to one or more other variables Solve the literal equation for y. 1) 13x ‒ 8 = 10 + 7y ‒ 10 ‒ 10 13x ‒ 18 = 7y 7 7

  3. 2) The formula for the circumference of a circle is C=2πr. Solve this literal equation for r.

  4. 3) The formula for the perimeter of a rectangle is p = 2l + 2w. Solve this equation forl. p = 2l + 2w –2w – 2w p – 2w = 2l 2 2

  5. Solve for the underlined variable. 4) y = mx + b –b –b y – b = mx m m

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