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pantera1 [17]
4 years ago
9

Are the equations 3x - -9 and 4x - -12 equivalent? Explain. Please Help!!

Mathematics
1 answer:
spayn [35]4 years ago
8 0
No it is not the 1st one the answer is -6 the 2nd is -9
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Answer:

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First, you have to isolate the variable term (-2/3v). You can do this by moving -1/2 to the other side. Then, the right side would be 4/5+1/2. Make this side common by changing the denominators to being the same thing (8/10+5/10=13/10). Now, we know that 13/10 is equal to -2/3v. You can then divide both sides by -2/3 to get v. If you're lazy like me, just use a calculator to divide 13/10 by -2/3. What you get then is your answer!

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