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A variable needs to be eliminated to solve the system of equations below. Choose the correct first step X-7y=-45 -x+8y=51

A variable needs to be eliminated to solve the system of equations below. Choose the correct first step X-7y=-45 -x+8y=51
asked 92.2k views
4 votes
A variable needs to be eliminated to solve the system of equations below. Choose the correct first step

X-7y=-45
-x+8y=51

asked
User Cabhishek
by
8.1k points

1 Answer

5 votes

Explanation:

x - 7y = -45

-x +8y = 51

the X's cancel out

-7y + 8y = -45 + 51

y = 6

answered
User RGO
by
8.3k points
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