7. Find
values of x, if
(i)
2(1) - 5(4)
= 2x(x) – 6(4)
2
- 20 =
2x2 – 24
- 18 =
2x2 – 24
- 18 + 24 =
2x2
6 =
2x2
3 =
x2
(ii)
2 (5) – 3(4) =
x(5) – 2x(3)
10 – 12 = 5x – 6x
-2 = - x
x = 2
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