-5x-4(5x-4)=-9

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Solution for -5x-4(5x-4)=-9 equation:


Simplifying
-5x + -4(5x + -4) = -9

Reorder the terms:
-5x + -4(-4 + 5x) = -9
-5x + (-4 * -4 + 5x * -4) = -9
-5x + (16 + -20x) = -9

Reorder the terms:
16 + -5x + -20x = -9

Combine like terms: -5x + -20x = -25x
16 + -25x = -9

Solving
16 + -25x = -9

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + -25x = -9 + -16

Combine like terms: 16 + -16 = 0
0 + -25x = -9 + -16
-25x = -9 + -16

Combine like terms: -9 + -16 = -25
-25x = -25

Divide each side by '-25'.
x = 1

Simplifying
x = 1

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