Question

Which Property of Equality should be used first to solve the equation P over 7 - 5 = -3 for p
(A) Addition Property of Equality

(B) Subtraction Property of Equality

(C) Multiplication Property of Equality

(D) Division Property of Equality

Answer 1

remember PEMDAS? in properties of equalities, it becomes SADMEP (point is it's reverse). So you use Addition/Subtraction property first. then multiplication/division property

Answer 2

addition/subtraction?

Answer 3

yes. that is the first step. so which one will you use in this problem? addition property? or subtraction property?

Answer 4

subtraction property

Answer 5

what is the operation on the left side? addition or subtraction?

Answer 6

subtration

Answer 7

therefore you use the opposite (so that it cancels) so first step is addition property

Answer 8

oh...thanks