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Jawaban Terkonfirmasi
7. a. n+3=8
n = 8-3
n = 5
b. m-4 = 12
m = 12+4
m = 16
c. 3p = 24
p = 24/3
p = 8
d. x/5 = 3
x = 15
8. a. 3b+2 = 17
3b = 17-2
b 15/3
b = 5
b. 4c-1 = 19
4c = 19+1
c = 20/4
c = 5
c. d/3 + 2 = 9
d/3 = 9-2
d = 21
d. b/7 – 1 = 4
b/7 = 4+1
b = 35
9.a. x + 3 = 22
x = 22-3
x = 19
b. 2a+4 = 28
2a = 28 – 4
a = 24/2
a= 12