Solving Using the Subtraction Property
To solve the equation , the goal is to isolate the variable on one side. Since is being added to , the addition can be undone by applying the Subtraction Property of Equality — subtract from both sides:
On the left side, , leaving just . On the right side, . This simplifies to .
To verify the solution, substitute back into the original equation: , which simplifies to . Since this is a true statement, is confirmed as the correct solution.
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Ch.2 Solving Linear Equations and Inequalities - Elementary Algebra @ OpenStax
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A payroll specialist is correcting an overpayment where the initial adjustment 'y' plus a 37 dollar processing fee results in a final balance of -13 dollars. To isolate the variable 'y' in the equation y + 37 = -13 using the Subtraction Property of Equality, what value must be subtracted from both sides?
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