- alicia and jamal completed the following "
given : 3x+7=x-5
prove: x=-6
Alicia's workt.
3x+7=x-5 : given
2x+7=-5: subtraction property of equality
2x=-12: subtraction property of quality
x=-6: division property of equality
jamal's work
3x+7=x-5 : given
7=-2x-5 : subtraction property of equality
12=-2x: addition property of equality
-6=x : division property of equality
who completed the proof correctly?
Aalicia only
Bjamal only
Cboth alicia and jamal
Dneither alicia nor jamal
prove: x=-6
Alicia's workt.
3x+7=x-5 : given
2x+7=-5: subtraction property of equality
2x=-12: subtraction property of quality
x=-6: division property of equality
jamal's work
3x+7=x-5 : given
7=-2x-5 : subtraction property of equality
12=-2x: addition property of equality
-6=x : division property of equality
who completed the proof correctly?
Aalicia only
Bjamal only
Cboth alicia and jamal
Dneither alicia nor jamal