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3t + 4 = 2(t + 11)
3t + 4 = 2(t) + 2(11)
3t + 4 = 2t + 22
3t - 2t = 22 - 4
t = 18
Yang nomor 2
2y = 3(5 - y)
2y = 3(5) + 3(- y)
2y = 15 - 3y
2y + 3y = 15
5y = 15
y = 15/5
y = 3
Yang nomor 3
10(p - 6) = - 5p
10(p) + 10(- 6) = - 5p
10p - 60 = - 5p
10p + 5p = 60
15p = 60
p = 60/15
p = 4
Yang nomor 4
5(z - 4) = 3(8 - z)
5(z) + 5(- 4) = 3(8) + 3(- z)
5z - 20 = 24 - 3z
5z + 3z = 24 + 20
8z = 44
z = 44/8
z = 11/2
Yang nomor 5
3(d - 3) = 5(2d + 1)
3(d) + 3(- 3) = 5(2d) + 5(1)
3d - 9 = 10d + 5
3d - 10d = 5 + 9
- 7d = 14
d = 14/-7
d = - 2