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3y + 15 = 5y - 1
3y - 3y + 15 + 1 = 5y - 3y - 1 + 1
16 = 2y
16/2 = y
8 = y
nomor b
[(3a+18)/4] = [(10a-2)/3]
12[(3a+18)/4] = 12[(10a-2)/3]
9a + 54 = 40a - 8
9a - 9a + 54 + 8 = 40a-9a -8+8
62 = 31a
a = 62/31
a = 2
nomor c
1/2(3x - 6) = 2/3(2x-3)
6(1/2)(3x-6) = 6(2/3)(2x-3)
3(3x-6) = 4(2x-3)
9x - 18 = 8x - 12
9x - 8x - 18 = 8x - 8x - 12
x - 18 = -12
x - 18 + 18 = -12 + 18
x = 6
nomor d
2 + 11/b = 7,5
2 - 2 + 11/b = 7,5 - 2
11/b = 5,5
b(11/b) = b(5,5)
11 = 5,5b
b = 11 : 5,5
b = 2
3y + 15 = 5y - 1
15 + 1 = 5y - 3y
16 = 2y
8 = y
HP = {8}
B.
C.
D.