2x+3y=11 & 2x - 4y = -24
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2x + 3y = 11--------------------------------Eq 1
2x - 4y = -24-----------------------------Eq 2
Change signs,
2x + 3y = 11
-2x + 4y = 24
We get,
7y = 35
y = 35/7 = 5
Therefore, y = 5
We can find the value of x by substituting the value of y in Eq 1,
2x + 3(5) = 11
2x + 15 = 11
2x = 11 - 15
2x = -4
x = -4/2 = -2
Therefore, x = -2
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