For solving each pair of equations, use the method of elimination by equating coefficients :

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KnowledgeBoat · Accepted Answer

Given equations : Multiplying equation (1) by 30, we get : Multiplying equation (2) by 6, we get : Adding equations (3) and (4), we get : ⇒ 75y - 10x + 3y + 10x = 240 + 72 ⇒ 78y = 312 ⇒ y = = 4. Substituting value of y in equation (1), we get : Hence, x = 6 and y = 4.

Mathematics

For solving each pair of equations, use the method of elimination by equating coefficients :

Linear Equations

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