3x-4(x+1)+9=0

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Solution for 3x-4(x+1)+9=0 equation:


Simplifying
3x + -4(x + 1) + 9 = 0

Reorder the terms:
3x + -4(1 + x) + 9 = 0
3x + (1 * -4 + x * -4) + 9 = 0
3x + (-4 + -4x) + 9 = 0

Reorder the terms:
-4 + 9 + 3x + -4x = 0

Combine like terms: -4 + 9 = 5
5 + 3x + -4x = 0

Combine like terms: 3x + -4x = -1x
5 + -1x = 0

Solving
5 + -1x = 0

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 = 0 + -5

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

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

Divide each side by '-1'.
x = 5

Simplifying
x = 5

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