3x+9-4x=4

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


Simplifying
3x + 9 + -4x = 4

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

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

Solving
9 + -1x = 4

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 = 4 + -9

Combine like terms: 9 + -9 = 0
0 + -1x = 4 + -9
-1x = 4 + -9

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

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

Simplifying
x = 5

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