12-9x=105-30x

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Solution for 12-9x=105-30x equation:


Simplifying
12 + -9x = 105 + -30x

Solving
12 + -9x = 105 + -30x

Solving for variable 'x'.

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

Add '30x' to each side of the equation.
12 + -9x + 30x = 105 + -30x + 30x

Combine like terms: -9x + 30x = 21x
12 + 21x = 105 + -30x + 30x

Combine like terms: -30x + 30x = 0
12 + 21x = 105 + 0
12 + 21x = 105

Add '-12' to each side of the equation.
12 + -12 + 21x = 105 + -12

Combine like terms: 12 + -12 = 0
0 + 21x = 105 + -12
21x = 105 + -12

Combine like terms: 105 + -12 = 93
21x = 93

Divide each side by '21'.
x = 4.428571429

Simplifying
x = 4.428571429

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