" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
aljabar!!!
2x + 13 + x + 20 = 90
3x + 33 = 90
3x = 90 - 33
x = 57 : 3
x = 19
2x+13+x+20=90
3x+33 =90
3x=90-33
3x=57
x =57:3
x =19