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3k-18=15
Get k by itself, add 18 to both sides
3k=33
Divide by 3 to both sides to make k by itself
k=11
Any value of x must be less than -5 for n to be negative. (x<-5)
Answer:
Step-by-step explanation:
Answer:
x = 5
Step-by-step explanation:
Given that,

Cross multiplying both sides,

Taking like terms together,

So, the value of x is equal to 5.
54 buttons ÷ 9 button cards = 6
She should buy 6 cards of buttons.