1x+.4(20-x)=10

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Solution for 1x+.4(20-x)=10 equation:


Simplifying
1x + 0.4(20 + -1x) = 10
1x + (20 * 0.4 + -1x * 0.4) = 10
1x + (8 + -0.4x) = 10

Reorder the terms:
8 + 1x + -0.4x = 10

Combine like terms: 1x + -0.4x = 0.6x
8 + 0.6x = 10

Solving
8 + 0.6x = 10

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 0.6x = 10 + -8

Combine like terms: 8 + -8 = 0
0 + 0.6x = 10 + -8
0.6x = 10 + -8

Combine like terms: 10 + -8 = 2
0.6x = 2

Divide each side by '0.6'.
x = 3.333333333

Simplifying
x = 3.333333333

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