1-12x=-20+9x

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Solution for 1-12x=-20+9x equation:


Simplifying
1 + -12x = -20 + 9x

Solving
1 + -12x = -20 + 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.
1 + -12x + -9x = -20 + 9x + -9x

Combine like terms: -12x + -9x = -21x
1 + -21x = -20 + 9x + -9x

Combine like terms: 9x + -9x = 0
1 + -21x = -20 + 0
1 + -21x = -20

Add '-1' to each side of the equation.
1 + -1 + -21x = -20 + -1

Combine like terms: 1 + -1 = 0
0 + -21x = -20 + -1
-21x = -20 + -1

Combine like terms: -20 + -1 = -21
-21x = -21

Divide each side by '-21'.
x = 1

Simplifying
x = 1

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