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2. For simultaneous equations in variables x and y, Dx= 49, Dy=-63, D = 7 then
what is x and y?
​

By Isabella

2. For simultaneous equations in variables x and y, Dx= 49, Dy=-63, D = 7 then
what is x and y?
​

About the author
Isabella

3. The product of (-8) X (-200) is
(a) (4x-2)(-200)
(c) (4 X-2) X(-200)
(b) (-8 X-1)(-200)
(d) (-8) X (-100 x-

EXERCISE 1.1
1. Using appropriate properties find
2 3 5 3 1
(i)
+
X Х
3 5 2 5 6
2 Write the add

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