1. 4(x - 2y) dengan x = -3 dan y = 5:
4(-3 - 2 * 5) = 4(-3 - 10) = 4(-13) = -52
2. 2x - 9y dengan x = -3 dan y = 5:
2(-3) - 9(5) = -6 - 45 = -51
3. 4(x - 2y) - (2x - 9y) dengan x = -3 dan y = 5:
4(-3 - 2 * 5) - (2(-3) - 9(5))
= 4(-13) - (-6 - 45)
= -52 - (-51)
= -52 + 51
= -1
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1. 4(x - 2y) dengan x = -3 dan y = 5:
4(-3 - 2 * 5) = 4(-3 - 10) = 4(-13) = -52
2. 2x - 9y dengan x = -3 dan y = 5:
2(-3) - 9(5) = -6 - 45 = -51
3. 4(x - 2y) - (2x - 9y) dengan x = -3 dan y = 5:
4(-3 - 2 * 5) - (2(-3) - 9(5))
= 4(-13) - (-6 - 45)
= -52 - (-51)
= -52 + 51
= -1