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Lainey Roth
Mathematics
8 July, 14:45
Solve the system with
elimination.
2x - y = 3
9x - 6y = 6
+2
Answers (
1
)
Alexa Yoder
8 July, 15:12
0
Answer: x = 4, y = 5
Step-by-step explanation:
To solve by elimination, we must first eliminate one of the variables of the equations. We'll get rid of y, and to do this, you have to multiply 2x - y = 3 by - 6.
-6 (2x - 7 = 3)
-12x + 6 = - 18
Now add - 12x + 6 = - 18 to with 9x - 6y = 6 to get rid of y.
-3x = - 12 Solve for x
x = 4
Now plug x back into the original equation to solve for y.
2 (4) - y = 3
8 - y = 3
-y = - 5
y = 5
Your final solution is (4, 5)
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