Solve : 4x + 6/y = 15 and 3x - 4/y = 7 . Hence, find 'a' if y = ax - 2.

Question

KnowledgeBoat · Accepted Answer

Given, equations : ..........(1) ..........(2) Multiplying equation (1) by 2, we get : Multiplying equation (2) by 3, we get : Adding equation (3) and (4), we get : Substituting value of x in equation (2), we get : Given, ⇒ y = ax - 2 ⇒ 2 = 3a - 2 ⇒ 3a = 2 + 2 ⇒ 3a = 4 ⇒ a = . Hence, x = 3, y = 2 and a = .

Mathematics

Solve : 4x + 6/y = 15 and 3x - 4/y = 7 . Hence, find 'a' if y = ax - 2.

Linear Equations

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