find the values of (x-y) if
3x+4y
=11; 4x+3y=10
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Explanation:
4x+3y=39]×3→(1)
3x+4y=10]×4→(2)
⇒eq(2)−eq(1)
⇒12x+16y12x−9y=40−117
⇒7y=−77
y=−11
3x−44=10⇒3x=5y
x = 18
x -y = 18 -(-11)
= 18 + 11 = 29
hope this will help you
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