👤

Sagot :

4-x = 3x+9 <=> -x-3x = 9-4 <=> -4x = 5 <=> 4x = -5 <=> x = -5/4
4-x=3x+9
-x-3x=9-4
-4x=5
-4x/-4=5/-4
x=-1,25

© 2024 IDNLearn. All rights reserved.