3x+9-4x=29

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Solution for 3x+9-4x=29 equation:


Simplifying
3x + 9 + -4x = 29

Reorder the terms:
9 + 3x + -4x = 29

Combine like terms: 3x + -4x = -1x
9 + -1x = 29

Solving
9 + -1x = 29

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 + -1x = 29 + -9

Combine like terms: 9 + -9 = 0
0 + -1x = 29 + -9
-1x = 29 + -9

Combine like terms: 29 + -9 = 20
-1x = 20

Divide each side by '-1'.
x = -20

Simplifying
x = -20

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