12x+1.3=9x-8

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Solution for 12x+1.3=9x-8 equation:


Simplifying
12x + 1.3 = 9x + -8

Reorder the terms:
1.3 + 12x = 9x + -8

Reorder the terms:
1.3 + 12x = -8 + 9x

Solving
1.3 + 12x = -8 + 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.
1.3 + 12x + -9x = -8 + 9x + -9x

Combine like terms: 12x + -9x = 3x
1.3 + 3x = -8 + 9x + -9x

Combine like terms: 9x + -9x = 0
1.3 + 3x = -8 + 0
1.3 + 3x = -8

Add '-1.3' to each side of the equation.
1.3 + -1.3 + 3x = -8 + -1.3

Combine like terms: 1.3 + -1.3 = 0.0
0.0 + 3x = -8 + -1.3
3x = -8 + -1.3

Combine like terms: -8 + -1.3 = -9.3
3x = -9.3

Divide each side by '3'.
x = -3.1

Simplifying
x = -3.1

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