Answer:
the answer is 140 pieces of paper
Step-by-step explanation:
Answer:
You won't be in the negative but postive side of the graph
Step-by-step explanation:
Well, for
solving system of equations, we can use either substitution where we plug one
equation into the other, or elimination where we combine the equations.
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Using elimination,
you would to eliminate one variable from both equations, so you automatically would
get one equation with one variable!