99-3x=42-9x

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Solution for 99-3x=42-9x equation:


Simplifying
99 + -3x = 42 + -9x

Solving
99 + -3x = 42 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
99 + -3x + 9x = 42 + -9x + 9x

Combine like terms: -3x + 9x = 6x
99 + 6x = 42 + -9x + 9x

Combine like terms: -9x + 9x = 0
99 + 6x = 42 + 0
99 + 6x = 42

Add '-99' to each side of the equation.
99 + -99 + 6x = 42 + -99

Combine like terms: 99 + -99 = 0
0 + 6x = 42 + -99
6x = 42 + -99

Combine like terms: 42 + -99 = -57
6x = -57

Divide each side by '6'.
x = -9.5

Simplifying
x = -9.5

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