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Warm-Up:. 1.4 Rewriting Equations and Formulas 8/14/15. Solving an equation with more than one variable. Solve 7x –3y = 8 for y. -7x -7x Subtract –7x from each side. -3y = 8 – 7x. Divide each side by -3. Solve the equation for the indicated variable:.
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Solving an equation with more than one variable. Solve 7x –3y = 8 for y -7x -7xSubtract –7x from each side -3y = 8 – 7x Divide each side by -3