2.4x+3.1x+8.9=20.45

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Solution for 2.4x+3.1x+8.9=20.45 equation:


Simplifying
2.4x + 3.1x + 8.9 = 20.45

Reorder the terms:
8.9 + 2.4x + 3.1x = 20.45

Combine like terms: 2.4x + 3.1x = 5.5x
8.9 + 5.5x = 20.45

Solving
8.9 + 5.5x = 20.45

Solving for variable 'x'.

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

Add '-8.9' to each side of the equation.
8.9 + -8.9 + 5.5x = 20.45 + -8.9

Combine like terms: 8.9 + -8.9 = 0.0
0.0 + 5.5x = 20.45 + -8.9
5.5x = 20.45 + -8.9

Combine like terms: 20.45 + -8.9 = 11.55
5.5x = 11.55

Divide each side by '5.5'.
x = 2.1

Simplifying
x = 2.1

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