Question

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

Answer 1

a - 4 = 12...add 4 to both sides
a = 12 + 4...addition property of equality

Answer 2

The property of equality that would be used to isolate the variable "a" in this equation is addition property of equality. he correct option among all the options that are given in the question is the first option or option "A". Adding 4 in both sides of the equation will easily isolate the variable "a". I hope the answer helps you.