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3x - 7 = 7 - 4x
7x = 14
x = 14/7
= 2 maka nilai x adalah 2
3) 4t -3 = 9 + 6t
- 2t = 12
t = 12/-2
t = -6 nilai t = -6
4) 3y + 5 = y -3
2y = -8
y = -8/2
= -4 nilai y = -4
6) 2x + 5 = 11
> 2x = 11 - 5
> 2x = 6
> x = 3 cari yang tidak ada di pilihan
5) 3p - 3 = 2(6)
3p = 12 + 3
3p = 15
p = 15/3
= 5 nilai p = 5
7) 4(1/2 x - 5) = -12
> 2x - 20 = -12
> 2x = 8
x = 4