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

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


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

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

Remove parenthesis around (4 + 3x)
4 + 3x + (-4x + 9) = 0

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

Remove parenthesis around (9 + -4x)
4 + 3x + 9 + -4x = 0

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

Combine like terms: 4 + 9 = 13
13 + 3x + -4x = 0

Combine like terms: 3x + -4x = -1x
13 + -1x = 0

Solving
13 + -1x = 0

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + -1x = 0 + -13

Combine like terms: 13 + -13 = 0
0 + -1x = 0 + -13
-1x = 0 + -13

Combine like terms: 0 + -13 = -13
-1x = -13

Divide each side by '-1'.
x = 13

Simplifying
x = 13

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