Question

(7*) (4x4 - 5x - 7x + 1) = (4x - 1)​

Answer 1

Step-by-step explanation:

4x4 + 5x + 7x -1 = 4x + 1

5x+7x-1 = 4x+1-4x4

12x = 4

x = 12/4

x = 3

Answer 2

Answer:

x = 4

Step-by-step explanation:

(7) × (4×4 - 5x - 7x + 1 ) = (4x-1)

7 × (16 - (-2x) +1) = (4x - 1)

7 × (16+ 2x + 1) = (4x -1)

7 × (17 + 2x) = (4x -1)

119 + 34x = 4x - 1

119 = 4x - 34x -1

119 = 30x - 1

119 + 1 = 30x

120 = 30x

120/30 = x

4 = x