4x-5(x+1)+9=0

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Solution for 4x-5(x+1)+9=0 equation:


Simplifying
4x + -5(x + 1) + 9 = 0

Reorder the terms:
4x + -5(1 + x) + 9 = 0
4x + (1 * -5 + x * -5) + 9 = 0
4x + (-5 + -5x) + 9 = 0

Reorder the terms:
-5 + 9 + 4x + -5x = 0

Combine like terms: -5 + 9 = 4
4 + 4x + -5x = 0

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

Solving
4 + -1x = 0

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 + -1x = 0 + -4

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

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

Divide each side by '-1'.
x = 4

Simplifying
x = 4

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