Jawaban:
[tex] \sf 7a + 4b - 18 - 6b + 20[/tex]
[tex] \sf = 7a + (4b - 6b) - 18 + 20[/tex]
[tex] \sf = 7a + (4b - 6b) + 2[/tex]
[tex] \sf = 7a + ( - 2b) + 2[/tex]
[tex] \sf = \red{7a - 2b + 2}[/tex]
'조슈아' (Svt)
1. 7a + 4b - 18 - 6b + 20
= 7a + 4b - 6b - 18 + 20
= 7a - 2b + 2
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jawaban:
Penyelesaian :
[tex] \sf 7a + 4b - 18 - 6b + 20[/tex]
[tex] \sf = 7a + (4b - 6b) - 18 + 20[/tex]
[tex] \sf = 7a + (4b - 6b) + 2[/tex]
[tex] \sf = 7a + ( - 2b) + 2[/tex]
[tex] \sf = \red{7a - 2b + 2}[/tex]
'조슈아' (Svt)
1. 7a + 4b - 18 - 6b + 20
= 7a + 4b - 6b - 18 + 20
= 7a - 2b + 2