Nikki saved 15% on a $100 purchase. How much did she pay
1 answer:
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Answer:
y = -5x - 26 i hope this helps :)
Step-by-step explanation:
picture below
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Answer:
(12,33)
Step-by-step explanation:
This system can be solved using the substitution method. This is where you replace one variable by another.
Step 1:
Plug in for the y
Step 2:
Combine like terms
Step 3:
Subtract 21 from both sides
Step 4:
Divide both sides by 3
Step 5:
Use the first equation and plug in 12 for x
Step 6:
Proof of work