Odpowiedź:
a) 2x - 1 + x = 8
3x - 1 = 8 / + 1
3x = 8 + 1
3x = 9 / : 3
x = 3
b) 2x - 6 - 7x = 9
- 5x - 6 = 9
- 5x = 15
=
x = - 3
Szczegółowe wyjaśnienie:
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Odpowiedź:
a) 2x - 1 + x = 8
3x - 1 = 8 / + 1
3x = 8 + 1
3x = 9 / : 3
x = 3
b) 2x - 6 - 7x = 9
- 5x - 6 = 9
- 5x = 15
=
x = - 3
Szczegółowe wyjaśnienie: