Answer:
x=0
Step-by-step explanation:
combine like terms on both sides of the equal sign
-9+x= x-7
move similar terms to the same side
-2=0x
divide both sides by x
x=0
Answer:
a or b
Step-by-step explanation:
Answer:
- rounded purchase: $87
- estimated change: $13
Step-by-step explanation:
Rounded to the nearest dollar, the value $87.06 is $87.
This amount subtracted from $100 is the change Shawn will receive, about $13.
Well, 2/4 is equivalent to 4/8. So you can turn the 2/4 into 4/8 and then add 4/8 plus 3/8.