" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2x-6+5x+5= 25+3x
2x+5x-3x = 25+6-5
4x = 26 /:4
x = 6,5
Sprawdzenie:
2*(6,5-3)+5*(6,5+1) = 25+3*6,5
2*3,5+5*7,5 = 25+19,5
7+42,5 = 44,5
44,5 = 44,5