1.-5x-20=15 2.3-12x=15 3.10-2x=-12 4.6x-12=2x+24 5.7x+12=3x-14 .....tolong jawab ya..

1. -5x = 15 + 20
-5x = 35
x. = 35 : -5 = -7
x = -7


2. 3-12x= 15
-12x = 15 -3
-12x = 12
x = 12 : -12 = -1
x = -x
semoga membantu ya!!