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OpenStudy (anonymous):
Consider the system of equations: 3x + 2y = 18 and x – 2y = 14. What property is used to transform the equation 3x + 2y + 14 = 32 into 3x + 2y + x – 2y = 32? multiplication property of equality substitution property of equality addition property of equality subtraction property of equality
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OpenStudy (anonymous):
I think it's B
OpenStudy (anonymous):
substitution property of equality, because 14 was replaced by x – 2y
OpenStudy (anonymous):
so yup :)
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