Q22 of 266 Page 3

Solve the following systems of equations:



⇒ 2y + 3x = 9 ----- (1)



⇒ 4y + 9x = 21 ---- (2)


Multiplying eq1 by 2 and subtracting


⇒ 6x – 9x = 18 – 21


⇒ x = 1


Thus, 2y + 3 = 9


⇒ y = 2


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