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b. 4a^ (pangkat 3) x 2ab = 8a^(pangkat 4)b
4a. 3x^(pangkat 2) / 9x^(pangkat 2) = 1/3
b. 15x^(pangkat 2) / 3x = 5x
5a. 6x-3 = 15
6x = 15+3
x = 18/6
x = 3
b. 6x-3=-15
6x = -15 + 3
6x = -12
x = -12/6
x = -2
c. -4(x+3) = 2x - 2y
-4x -12 = 2x-2y
-4x -2x -12 = 2y
-6x -12 = 2y
-6x -2y = 12
d. 2x-1=5x+8
2x - 5x = 8+1
-3x = 9
x= 9/-3
x=-3