solve by elimination method x+4y=14,7x-3y=5
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⇒ (x + 4y = 14) × 3
(7x - 3y = 5) × 4
⇒ 3x + 12y = 42
28x - 12y = 20
⇒ 31x = 62
⇒ x = 62/31
⇒ x = 2
Putting the value of x in one equation:
⇒ x + 4y = 14
⇒ 2 + 4y = 14
⇒ 4y = 14 - 2
⇒ 4y = 12
⇒ y = 12/4
⇒ y = 3
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