3 Solve the equations x-2y = -2;x+2y = 10
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EXPLANATION.
Solve equation.
⇒ x - 2y = -2. - - - - - (1).
⇒ x + 2y = 10. - - - - - (2).
As we know that,
Add equation (1) & (2) in equation, we get.
⇒ 2x = 8.
⇒ x = 4.
Put the value of x = 4 in equation (2), we get.
⇒ (4) + 2y = 10.
⇒ 2y = 10 - 4.
⇒ 2y = 6.
⇒ y = 3.
Values of x = 4 and y = 3.
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