9-5x-4(1-x)=15

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Solution for 9-5x-4(1-x)=15 equation: 


Simplifying
9 + -5x + -4(1 + -1x) = 15
9 + -5x + (1 * -4 + -1x * -4) = 15
9 + -5x + (-4 + 4x) = 15

Reorder the terms:
9 + -4 + -5x + 4x = 15

Combine like terms: 9 + -4 = 5
5 + -5x + 4x = 15

Combine like terms: -5x + 4x = -1x
5 + -1x = 15

Solving
5 + -1x = 15

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + -1x = 15 + -5

Combine like terms: 5 + -5 = 0
0 + -1x = 15 + -5
-1x = 15 + -5

Combine like terms: 15 + -5 = 10
-1x = 10

Divide each side by '-1'.
x = -10

Simplifying
x = -10

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