Question

20) Write the equation and solve the following:
a) Adding 4 to one fourth of a number gives 20.
b) If you take away 5 from 15 times a number you get 50.
21) Find the value of:
a) 302 + 402-5 (when p= 3 and q =-2)
b) x2-3x+y + 2xy + xy + 9 (when x=3 and y = 1)​

Answer 1

Answer:

Answer is given in this picture

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