Respuesta :

4x -(9-3x) = 8x-1

4x -9 + 3x = 8x-1

7x-9 = 8x-1

-9 + 1 = 8x-7x

-8 = x

x = -8
snowystar965

Answer:

x = -8

Step-by-step explanation:

4x - (9 - 3x) = 8x - 1

remove parenthesis

4x - 9 + 3x = 8x - 1

add 9 to both sides

4x + 3x = 8x + 8

subtract 8x from both sides

-x = 8

x = -8

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