buatlah jalan serta jawaban dari soal soal berikut ini:
a.7-n=2
b.n-4=-3
c.n-(-9)=5
d.-8-n=-1
gunakanlah sifat asosiatif dalam mengerjakan soa soal berikut:
a.(8x(-24)) + (8x(-16))
b.((-17x(-25)) + ((-25)x(19))
c.((-7)x(-16)) - ((-2)x(-16))
d.(29x(-9)) - (9x(19))
a.7-n=2
b.n-4=-3
c.n-(-9)=5
d.-8-n=-1
gunakanlah sifat asosiatif dalam mengerjakan soa soal berikut:
a.(8x(-24)) + (8x(-16))
b.((-17x(-25)) + ((-25)x(19))
c.((-7)x(-16)) - ((-2)x(-16))
d.(29x(-9)) - (9x(19))
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a. 7-n = 2 bukti : n + 7 = 2
n =2-7 -5 + 7 = 2
n = -5 2 =2
b . n - 4 = -3 bukti : n - 4 = -3
n = -3 + 4 1 - 4 = -3
n = 1 -3 = -3
c. n - (-9 ) = 5 bukti : n - (-9 ) = 5
n = 5 + ( -9 ) -4 + 9 = 5
n = 5 - 9 5 = 5
n = -4
d . -8 - n = -1 bukti : n - 8 = -1
n = -1 - (-8) 7 - 8 = -1
n = 7 -1 = -1