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

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


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

Combine like terms: 1x + -1x = 0
9 + -5x + -4(0) = 15

Multiply -4 * 0
9 + -5x + 0 = 15

Anything times zero is zero.
9 + -5x + 0 = 15

Reorder the terms:
9 + 0 + -5x = 15

Combine like terms: 9 + 0 = 9
9 + -5x = 15

Solving
9 + -5x = 15

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + -5x = 15 + -9

Combine like terms: 9 + -9 = 0
0 + -5x = 15 + -9
-5x = 15 + -9

Combine like terms: 15 + -9 = 6
-5x = 6

Divide each side by '-5'.
x = -1.2

Simplifying
x = -1.2

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