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What is the y coordinate of the solution to the system of equations? 3x+6y=3 5x-y=27

What is the y coordinate of the solution to the system of equations? 3x+6y=3 5x-y=27
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What is the y coordinate of the solution to the system of equations? 3x+6y=3 5x-y=27

User Aamadmi
by
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1 Answer

2 votes
solve for y
eliminate x
multiply firs tequation by -5 and 2nd by 3 and add them

-15x-30y=-15
15x-3y=81 +
0x-33y=66

-33y=66
divide both sides by -33
y=-2

the y coordinate is y=-2
User Cybujan
by
7.7k points
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