To solve the equation 2−5(3+4)=2+7,
2
-
5
(
3
+
4
x
)
=
2
x
+
7
,
miranda's first step was to write 2−15−20=2+7
2
-
15
-
20
x
=
2
x
+
7
. which property did miranda use in her first step?

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.