Can someone give me the letters/answer to the problem? All you have to do is tell me what the answer is for numbers 1 through 4.
Or if you want just tell me the lettering for the problem. Thank you
2 answers:
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Answer:
The last answer; 12.
Step-by-step explanation:
In order to solve this, use substitution. Since it gives you an equation for y, substitute that equation in the other formula as y. This will give you:
Then simplify:
Since 6x - 6x cancels out, you are left with 12.