bantuin ya... no 1. 3x + 2 = 6x - 4 2. 2 (t + 3) + 7 (t - 3) = 5 (t - 1) 3. 10x + 15 = 2 (3 - 4x) - 27

1. 3x:6x=-2-4
1/2x. = -6
x. = 12

2. 2t+6+7t-21=5t-5
9t+6-21 = 5t-5
9t-5t=-5-6+21
4t = 10
t = 2,5
3. 10x + 15 = 6 - 8x - 27
18x = 48
x = 2,6 atau 3