tolong ya di jawab . tolong pake caranya ya...
Matematika
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tolong ya di jawab . tolong pake caranya ya...
1 Jawaban
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1. Jawaban LouiseTantri2008
a. 24m = 12 => m = 12/24 => m = 1/2
b. 3z+11 = -28 => 3z = -28-11 => 3z = -39 => z = -39/3 => z = -13
c. 25-4y = 6y+15 => -4y-6y = 15-25 => -10y = -10 => y = 1
d. 1/3 (x-2) = 2/3x - 13/3
________________ ×3
(x-2) = 2x-13
x-2 = 2x-13
-2+13 = 2x-x
11 = x
e. -
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