Seewald642 Seewald642

13-10-2015
Mathematics

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Simplify 10 + 4(x + 1) + 5. User: Simplify 18 - 2[x + (x - 5)].

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Panoyin Panoyin

14-10-2015

10 + 4(x + 1) + 5
10 + 4(x) + 4(1) + 5
10 + 4x + 4 + 5
10 + 4x + 9
10 + 9 + 4x
19 + 4x
4x + 19

18 - 2[x + (x - 5)]
18 - 2(x + x - 5)
18 - 2(2x - 5)
18 - 2(2x) + 2(5)
18 - 4x + 10
-4x + 18 + 10
-4x + 28

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