20.40-8x+5x=15

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Solution for 20.40-8x+5x=15 equation:


Simplifying
20.40 + -8x + 5x = 15

Combine like terms: -8x + 5x = -3x
20.40 + -3x = 15

Solving
20.40 + -3x = 15

Solving for variable 'x'.

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

Add '-20.40' to each side of the equation.
20.40 + -20.40 + -3x = 15 + -20.40

Combine like terms: 20.40 + -20.40 = 0.00
0.00 + -3x = 15 + -20.40
-3x = 15 + -20.40

Combine like terms: 15 + -20.40 = -5.4
-3x = -5.4

Divide each side by '-3'.
x = 1.8

Simplifying
x = 1.8

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