Г) 9+13y= 35+26y
13y – 26y = 35 – 9
-13y = 26
y = -2
Д) ( 6x + 1) - ( 3-2x )=14
6x + 1 – 3 + 2x = 14
6x + 2x = 14 + 3 – 1
8x = 16
x = 2
E) ( 2x + 3) +(3x+4)+( 5x + 5)= 12-7x
2x + 3 + 3x + 4 + 5x + 5 = 12 – 7x
2x + 3x + 5x + 7x = 12 – 5 – 4 – 3
x = 0
Г) 9+13y= 35+26y
13y – 26y = 35 – 9
-13y = 26
y = -2
Д) ( 6x + 1) - ( 3-2x )=14
6x + 1 – 3 + 2x = 14
6x + 2x = 14 + 3 – 1
8x = 16
x = 2
E) ( 2x + 3) +(3x+4)+( 5x + 5)= 12-7x
2x + 3 + 3x + 4 + 5x + 5 = 12 – 7x
2x + 3x + 5x + 7x = 12 – 5 – 4 – 3
x = 0