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Simplify 8 - {x - (5 + x)}
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Simplify 8 - {x - (5 + x)}
asked
Apr 13, 2017
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4
votes
Simplify 8 - {x - (5 + x)}
Mathematics
high-school
Francois Botha
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Francois Botha
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2
Answers
2
votes
−
8
(
x−
(
5+x)
)
=
(
−8
)
(
x+
−5
+
−x
)
=
(
−8
)
(x)
+
(
−8
)
(
−5
)
+
(
−8
)
(
−x
)
=
−
8x
+40
+
8x
=
40
Jpgc
answered
Apr 13, 2017
by
Jpgc
7.7k
points
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4
votes
8 - {x - (5 + x)}
= 8 - {x - 5 - x}
= 8 + 5
= 13
Gavriel Fishel
answered
Apr 20, 2017
by
Gavriel Fishel
9.6k
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