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OpenStudy (cherie_magee):
Solve the following system of equations by the substitution method. 8x = 2y + 5 3x = y + 7 What is the solution set? {(-41/2, -9/2)} {(-9/2, -41/2)} Ø
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OpenStudy (anonymous):
Take a set of points and plug them into one equation. If the equation is true, you have your answer. Double check by plugging the same points into the other equation.
OpenStudy (ivettef365):
since 3x = y - 7 is the same as y= 3x+7 substitute that for y on first equation
OpenStudy (anonymous):
|dw:1374246916413:dw|
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