tentukan penyelesaian persamaan² berikut

1. x - 14 = 18
x = 18 + 14
x = 32
2. 9y - 15 = 8y
9y - 8y = 15
y = 15
3. 3a - 4 = 11
3a = 11 + 4
3a = 15
a = 15-3
a = 12
4. 4(x+6) = 3(x+2)
4x + 24 = 3x + 6
4x - 3x = 6 -24
x = - 18
5. 9x + 11 = 7x + 5
9x - 7x = 5 - 11
2x = -6
x = -6 : 2
x = -3