4x+9=7x-4x

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Solution for 4x+9=7x-4x equation:


Simplifying
4x + 9 = 7x + -4x

Reorder the terms:
9 + 4x = 7x + -4x

Combine like terms: 7x + -4x = 3x
9 + 4x = 3x

Solving
9 + 4x = 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
9 + 4x + -3x = 3x + -3x

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

Combine like terms: 3x + -3x = 0
9 + 1x = 0

Add '-9' to each side of the equation.
9 + -9 + 1x = 0 + -9

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

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

Divide each side by '1'.
x = -9

Simplifying
x = -9

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