What is the answer of 6xy + (-9xy)
2 answers:
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Answer:
$84
Firstly, what we must do, is establish a system of equations:
Due the circumstances, it is decided we will use the method of substitution:
↓
Now, we solve the 2-variable equation above:
Now, we must see how much money each one of them had & the price of the jacket:
Now we know that Jim had $126. In other words, $126 is of his money (total money).
So, if Jim has $126, which corresponds to of his money,
of his money is:
Hope it helped,
BiologiaMagister