Saturday 6 February 2016

ALGEBRA-2


What is x if 6x + 5y = 40 and y=6?

solution

6x + 5y = 40

6x + 5(6) = 40;           [since y=6.]

6x + 30 = 40

6x = 40 - 30

6x = 10

6x = 10
6      6

x = 10/6


TRY THIS.........................


NECTA FORM II - 2013 QN. 9


What is x if x + 2y = 16 and y=6?


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