The middle one because the both need dotted lines can I get a crown
Answer:
-9
Step-by-step explanation:
-2x + 3 = -x + 12
move -x over by adding
-x + 3 = 12
move the 3 over by subtracting
-x = 9
divide by - to get the x positive
x = -9
Answer:
ok
Step-by-step explanation:
5288
Answer:
e we'll
Step-by-step explanation:
second equation
to –8x – 2y =-2. What property justifies this manipulation?
8x + 3y = 7
4x + y =1
