Question

what should be added to 7 x -5x+1 tu get 3 X+4x +7?​

Answer 1

Answer:

5x+6

Step-by-step explanation:

let the number added be x

7x-5x+1+x=3x+4x+7

x=3x-7x+4x+5x+7-1

x=5x+6

5x+6

Answer 2

Step-by-step explanation:

7x-5x+1

3x+4x+7

_______

(-) (-) (-)

_______

5x-9x-6

_______

= -4x-6 is the final ans

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