Mathematics
NULL
Medium
Question
Solve for x: 19(x + y) + 17 = 19(−x + y) − 21
A
-1
✓ Official correct answer
B
-2
C
-3
D
-4
Community credibility
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A
-1
No member explanations yet for this option.
B
-2
No member explanations yet for this option.
C
-3
No member explanations yet for this option.
D
-4
No member explanations yet for this option.
Explanation
19x + 17 = −19x − 21 ⇒ 38x = −38 ⇒ x = −1.