Q6 of 266 Page 3

Solve the following systems of equations:



⇒ 3x + 7y = 105



⇒ 9x – 2y = 108


Multiplying eq1 by 3 and subtracting eq2 from it


⇒ 9x + 21y – 9x + 2y = 315 – 108


⇒ 23y = 207


⇒ y = 9


Thus, 9x – 18 = 108


⇒ x = 14


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