1/10 x 4/9
x plus 4y = -16; -x - y = 1
(12/2)x5²-8
1/3×120
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is x plus 4y = -16; -x - y = 1 a substition
y< 2x-1
31
y = 2x - 7
y = $\sqrt{-2x + 9}$
LCM of two numbers is 1820 and their hcf is 26. if one number is 130, then find the other number
