Solve the equation for x: 19(x + y) + 17 = 19(- x + y) - 21
Solution
Correct Answer: Option A
19(x + y) + 17 = 19(- x + y) - 21
⇒ 19x + 19y +17 = -19x + 19y - 21
⇒ 19x + 19x = - 21 - 17
⇒ 38x = - 38
∴ x = - 1
⇒ 19x + 19y +17 = -19x + 19y - 21
⇒ 19x + 19x = - 21 - 17
⇒ 38x = - 38
∴ x = - 1
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