129=.8x

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Solution for 129=.8x equation:


Simplifying
129 = 0.8x

Solving
129 = 0.8x

Solving for variable 'x'.

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

Add '-0.8x' to each side of the equation.
129 + -0.8x = 0.8x + -0.8x

Combine like terms: 0.8x + -0.8x = 0.0
129 + -0.8x = 0.0

Add '-129' to each side of the equation.
129 + -129 + -0.8x = 0.0 + -129

Combine like terms: 129 + -129 = 0
0 + -0.8x = 0.0 + -129
-0.8x = 0.0 + -129

Combine like terms: 0.0 + -129 = -129
-0.8x = -129

Divide each side by '-0.8'.
x = 161.25

Simplifying
x = 161.25

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