An Example on - -
Solved Examples
Attempt following question by selecting a choice to answer.
D
Which of the following equations would you use to isolate the variable?
10x + 13y = 1    [Equation 1]
x - 9y = - 8   [Equation 2]
cccc DDDD
A.  DEquation 1
B.  DEquation 2
C.  DBoth Equation 1 and Equation 2
D.  DNeither Equation 1 nor Equation 2

DD