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

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Solution for 9x-4(x-1)=-1 equation:


Simplifying
9x + -4(x + -1) = -1

Reorder the terms:
9x + -4(-1 + x) = -1
9x + (-1 * -4 + x * -4) = -1
9x + (4 + -4x) = -1

Reorder the terms:
4 + 9x + -4x = -1

Combine like terms: 9x + -4x = 5x
4 + 5x = -1

Solving
4 + 5x = -1

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + 5x = -1 + -4

Combine like terms: 4 + -4 = 0
0 + 5x = -1 + -4
5x = -1 + -4

Combine like terms: -1 + -4 = -5
5x = -5

Divide each side by '5'.
x = -1

Simplifying
x = -1

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