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OpenStudy (anonymous):
Which property of equality would be used to isolate the variable a in this equation? a – 4 = 12 A. addition property of equality B. subtraction property of equality C. multiplication property of equality D. division property of equality
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OpenStudy (anonymous):
B
OpenStudy (anonymous):
addition property of equality you want to get a by itself so to do that you want: a + 0 on the left side. To get that 0 you will add 4 to get rid of that -4
OpenStudy (anonymous):
oh that makes sence
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