Respuesta :
14a+35b−21
How to get the answer
Use the distributive property to solve this problem
7*2a=14a
7*5b=35b
7*3=21
Then you add the signs
14a+35b-21
Answer :
14a + 35b - 21
Work:
7 x 2a + 7 x 5b + 7 x -3
14a + 7 x 5b + 7 x -3
14a + 35b + 7 x -3
14a + 35b - 21
14a + 35b - 21
Work:
7 x 2a + 7 x 5b + 7 x -3
14a + 7 x 5b + 7 x -3
14a + 35b + 7 x -3
14a + 35b - 21
