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A variable needs to be eliminated to solve the system of equations below. Choose the correct first step. –9x – 10y = -42 -9x + 7y = 60

A variable needs to be eliminated to solve the system of equations below. Choose the correct first step. –9x – 10y = -42 -9x + 7y = 60
asked 167k views
4 votes
A variable needs to be eliminated to solve the system of equations

below. Choose the correct first step.
–9x – 10y = -42
-9x + 7y = 60

asked
User Frietkot
by
7.9k points

1 Answer

4 votes

Answer:

The first step would be to subtract the two equations.

answered
User Nucleartux
by
8.0k points
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