20=1.3x+(-12.5)

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Solution for 20=1.3x+(-12.5) equation:


Simplifying
20 = 1.3x + (-12.5)
20 = 1.3x + -12.5

Reorder the terms:
20 = -12.5 + 1.3x

Solving
20 = -12.5 + 1.3x

Solving for variable 'x'.

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

Add '-1.3x' to each side of the equation.
20 + -1.3x = -12.5 + 1.3x + -1.3x

Combine like terms: 1.3x + -1.3x = 0.0
20 + -1.3x = -12.5 + 0.0
20 + -1.3x = -12.5

Add '-20' to each side of the equation.
20 + -20 + -1.3x = -12.5 + -20

Combine like terms: 20 + -20 = 0
0 + -1.3x = -12.5 + -20
-1.3x = -12.5 + -20

Combine like terms: -12.5 + -20 = -32.5
-1.3x = -32.5

Divide each side by '-1.3'.
x = 25

Simplifying
x = 25

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