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Solve the equation for x : 19(x + y) + 17 = 19(-x + y) - 21?
Question 1:
Solve the equation for x : 19(x + y) + 17 = 19(-x + y) - 21?
A.
-1
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19x + 19y + 17 = -19x + 19y - 21
38x = -38 => x = -1.
B.
-2
C.
-3
D.
-4
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Simple Equations Online Test 1 | Englishfreetest.com
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10 questions
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