Mathematics, 25.06.2020 03:01, damari9288

Which properties justify the steps taken to solve the system? $\left \{ {{2x-4y=-6} \atop {3x+2y=-1}} \right.$
_
-16y=-16 _
y=1 _
2x-4(1)=-6 _
2x-4=-6 _
2x=-2 _
x=-1 _

Addition Property of Equality, Division Property of Equality, Multiplication Property of Equality, Associative Property of Addition, Subtraction Property of Equality, Simplify, Substitution Property of Equality

$\left \{ {{6x-12y=-18} \atop {6x+4y=-2}} \right.$

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