" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
3x - 5 = x + 7
3x - x = 7 + 5
2x = 12
x = 12 / 2
x = 6
panjang diagonal = 3x - 5
= 3(6) - 5
= 18 - 5
= 13 cm
a. 3x-5 = x +7
2x = 12
x = 12/2= 6cm
b. Da = 3x-5 = 3(6)-5= 18-5= 13cm
Db= x+7= 6+7 = 13cm