6w-y=2z
6w=2z+y
w=(2z+y):6
w=(z:3)+(y:6)
Answer:
you have to provide a picture or something as well
Step-by-step explanation:
3x=4x-9
x=9
x-2.25=6.75
Tanya spent $9 on each item; Tony spent $6.75 on each of his items.
We effectively rewrite the equation as
In order for the LHS to be defined, we need to restrict , or . Now, the LHS will vanish when the numerator is 0, which happens for
This value is indeed smaller than 4, so the solution is .