A) The solution of the equation 9x – 8 = 19 is _______. b)The highest power of a variable in a linear equation is _______
c)Solve: 7x – 15 = 2x + 5
d)If the cost of 1 kg of oranges is Rs. 42.50, find the cost of 3.5 kg of oranges.
e)Find the value of the expression (a
2 + 4ab) if a = - 1 and b = 2
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