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Simple Equations Mcqs
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>> Solve the equation for x : 19(x + y) + 17 = 19(-x + y) – 21
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Q. Solve the equation for x : 19(x + y) + 17 = 19(-x + y) – 21
a.
-1
b.
-2
c.
-3
d.
-4
e.
None of these
ANSWER: -1
Answer & Explanation
19x + 19y + 17 = -19x + 19y – 21
38x = -38 => x = -1
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