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

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


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

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

Reorder the terms:
9x = 9(-5 + x) + -5(4 + -1x)
9x = (-5 * 9 + x * 9) + -5(4 + -1x)
9x = (-45 + 9x) + -5(4 + -1x)
9x = -45 + 9x + (4 * -5 + -1x * -5)
9x = -45 + 9x + (-20 + 5x)

Reorder the terms:
9x = -45 + -20 + 9x + 5x

Combine like terms: -45 + -20 = -65
9x = -65 + 9x + 5x

Combine like terms: 9x + 5x = 14x
9x = -65 + 14x

Solving
9x = -65 + 14x

Solving for variable 'x'.

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

Add '-14x' to each side of the equation.
9x + -14x = -65 + 14x + -14x

Combine like terms: 9x + -14x = -5x
-5x = -65 + 14x + -14x

Combine like terms: 14x + -14x = 0
-5x = -65 + 0
-5x = -65

Divide each side by '-5'.
x = 13

Simplifying
x = 13

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