0.4x+0.6(20-x)=9.8

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Solution for 0.4x+0.6(20-x)=9.8 equation:


Simplifying
0.4x + 0.6(20 + -1x) = 9.8
0.4x + (20 * 0.6 + -1x * 0.6) = 9.8
0.4x + (12 + -0.6x) = 9.8

Reorder the terms:
12 + 0.4x + -0.6x = 9.8

Combine like terms: 0.4x + -0.6x = -0.2x
12 + -0.2x = 9.8

Solving
12 + -0.2x = 9.8

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -0.2x = 9.8 + -12

Combine like terms: 12 + -12 = 0
0 + -0.2x = 9.8 + -12
-0.2x = 9.8 + -12

Combine like terms: 9.8 + -12 = -2.2
-0.2x = -2.2

Divide each side by '-0.2'.
x = 11

Simplifying
x = 11

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