0.3x+0.4(13-x)=10.9

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Solution for 0.3x+0.4(13-x)=10.9 equation:


Simplifying
0.3x + 0.4(13 + -1x) = 10.9
0.3x + (13 * 0.4 + -1x * 0.4) = 10.9
0.3x + (5.2 + -0.4x) = 10.9

Reorder the terms:
5.2 + 0.3x + -0.4x = 10.9

Combine like terms: 0.3x + -0.4x = -0.1x
5.2 + -0.1x = 10.9

Solving
5.2 + -0.1x = 10.9

Solving for variable 'x'.

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

Add '-5.2' to each side of the equation.
5.2 + -5.2 + -0.1x = 10.9 + -5.2

Combine like terms: 5.2 + -5.2 = 0.0
0.0 + -0.1x = 10.9 + -5.2
-0.1x = 10.9 + -5.2

Combine like terms: 10.9 + -5.2 = 5.7
-0.1x = 5.7

Divide each side by '-0.1'.
x = -57

Simplifying
x = -57

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