105-5x+9x=21

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Solution for 105-5x+9x=21 equation:


Simplifying
105 + -5x + 9x = 21

Combine like terms: -5x + 9x = 4x
105 + 4x = 21

Solving
105 + 4x = 21

Solving for variable 'x'.

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

Add '-105' to each side of the equation.
105 + -105 + 4x = 21 + -105

Combine like terms: 105 + -105 = 0
0 + 4x = 21 + -105
4x = 21 + -105

Combine like terms: 21 + -105 = -84
4x = -84

Divide each side by '4'.
x = -21

Simplifying
x = -21

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