X=weekly allowance
x/2=money saved (= money spent).
We can suggest this equation:
x/2+4=12
lowest common multiple=2
x+8=24
x=24-8
x=16
Answer: her weekly allowance is $16.
Answer: -2.88889
Step-by-step explanation:
calculate the approimate value
Answer:x=2
Step-by-step explanation:
-3x-9=-15
-3x=-6
x=2