Question

Va rog!!!
6x - 7 + 8y -3 +4y=

9a -3b + a - 8a + 5b=

14a + 5b - 6a 4b + a=

6x - 7 + 8y + 10 - 4y=

30b - 5b a - 3b a + 7 a b=

Answer 1

Răspuns

Explicație pas cu pas:

6 x - 7 + 8 y - 3 + 4 y = 6 x + 12 y - 10 = 2 ( 3 x + 6 y - 5)

9 a - 3 b + a - 8 a + 5 b = ( 9 a + a - 8 a ) + (5 b - 3 b ) = 2 a + 2 b =2( a+b)

14 a + 5 b - 6 a + 4 b + a = 9 a + 9 b = 9 ( a + b ) →  ( daca in fata lui 4 b este semnul ,,+")

14 a + 5 b - 6 a - 4 b + a = 9 a + b → daca semnul din fata lui 4 b este minus)

____________________________________________________

6 x - 7 + 8 y + 10 - 4 y = 6 x + 4 y + 3

____________________________

30 b - 5 ba - 3 b a + 7 a b= 30 b - 8 b a + 7 a b = b ( 30 - 8 a + 7 a ) =

=  b ( 30 - a)

Answer 2

Răspuns

Explicație pas cu pas :

6 x - 7 + 8 y - 3 + 4 y = 6 x + 12 y - 10 = 2 ( 3 x + 6 y - 5 )

______________________________

9 a - 3 b + a - 8 a + 5 b = ( 9 a + a - 8 a ) + ( 5 b - 3 b ) = 2 a + 2 b = 2 ( a + b )

______________________________

14 a + 5 b - 6 a + 4 b + a = 9 a + 9 b = 9 ( a + b )

______________________________

6 x - 7 + 8 y + 10 - 4 y = 6 x + 4 y + 3

______________________________

30 b - 5 b a - 3 b a + 7 a b = 30 b - 8 b a + 7 a b = b ( 30 - 8 a + 7 a ) = b ( 30 - a )

______________________________


#9_o OchiDeVultur