|x-3| + 2 |x+1| = 4
no swap no useless answer
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Answer:
x = -1
Step-by-step explanation:
Given,
|x - 3| + 2|x + 1| = 4
(i) For x < -1 :
⇒ -(x - 3) + 2(--(x + 1)) = 4
⇒ x = -1 and x < -1
No Solution
(ii) For -1 ≤ x < 3 :
⇒ -1(x - 3)+ 2(x + 1) = 4
⇒ x = -1
(iii) For x ≥ 3:
⇒ x - 3 + 2(x + 1) = 4
⇒ x = 5/3
No solution.
Therefore,
x = -1
Hope it helps!
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