solve the quadratic equation
2X + Y = 7 AND -3X + 4Y = 6
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Answered by
2
Answer:
X = 2, Y=3
Step-by-step explanation:
2X + Y = 7 ----- 1
-3X + 4Y = 6 ----- 2
MULTIPLY EQ 1 BY 4 TO CANCEL OUT Y TERMS ON EQ 2
8X + 4Y = 28 ---- 3
-3X + 4Y = 6 ---- 4
SUBTRACT EQ 3 AND 4
8X -(-3X) = 28-6
11X = 22
X = 2
REPLACING VALUE OF X IN EQ 1
2(2) + Y = 7
4 + Y = 7
Y=3
Answered by
1
Answer:
i hope my answer is correct
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