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tresset_1 [31]
2 years ago
5

What value or values of x satisfy 2|x+5.3|=4.2

Mathematics
2 answers:
MAVERICK [17]2 years ago
7 0

Answer:

Its C

Step-by-step explanation:

Its C

Tems11 [23]2 years ago
4 0
2|x+5.3| = 4.2 is equivalent to

(1) 2(x+5.3) = 4.2 when x+5.3 >= 0
solve x = -3.2 when x >= -5.3 ... good value
('good value' means the value has no conflict with the condition -- when)

and

(2) 2[-(x+5.3)] = 4.2 when x+5.3 < 0
solve x = -7.4 when x < -5.3 ... also good

x = -3.2 or -7.4
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