" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
10 + 30 = 3X + 2X
40 = 5X
8 = X
RESPUESTA:
X = 8
-2x + 10 = 3x - 30
-2x - 3x = - 30 -10
-5x = -40
x = -40 /-5
x = 8
Sustituimos para verificar que x = 8
-2x + 10 = 3x - 30
-2(8) + 10 = 3 (8) - 30
-16 + 10 = 24 - 30
-6 = -6