12.9=0.3(5.3-x)

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Solution for 12.9=0.3(5.3-x) equation: 


Simplifying
12.9 = 0.3(5.3 + -1x)
12.9 = (5.3 * 0.3 + -1x * 0.3)
12.9 = (1.59 + -0.3x)

Solving
12.9 = 1.59 + -0.3x

Solving for variable 'x'.

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

Add '0.3x' to each side of the equation.
12.9 + 0.3x = 1.59 + -0.3x + 0.3x

Combine like terms: -0.3x + 0.3x = 0.0
12.9 + 0.3x = 1.59 + 0.0
12.9 + 0.3x = 1.59

Add '-12.9' to each side of the equation.
12.9 + -12.9 + 0.3x = 1.59 + -12.9

Combine like terms: 12.9 + -12.9 = 0.0
0.0 + 0.3x = 1.59 + -12.9
0.3x = 1.59 + -12.9

Combine like terms: 1.59 + -12.9 = -11.31
0.3x = -11.31

Divide each side by '0.3'.
x = -37.7

Simplifying
x = -37.7

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