0.85x+0.2(84-x)=20

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Solution for 0.85x+0.2(84-x)=20 equation:


Simplifying
0.85x + 0.2(84 + -1x) = 20
0.85x + (84 * 0.2 + -1x * 0.2) = 20
0.85x + (16.8 + -0.2x) = 20

Reorder the terms:
16.8 + 0.85x + -0.2x = 20

Combine like terms: 0.85x + -0.2x = 0.65x
16.8 + 0.65x = 20

Solving
16.8 + 0.65x = 20

Solving for variable 'x'.

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

Add '-16.8' to each side of the equation.
16.8 + -16.8 + 0.65x = 20 + -16.8

Combine like terms: 16.8 + -16.8 = 0.0
0.0 + 0.65x = 20 + -16.8
0.65x = 20 + -16.8

Combine like terms: 20 + -16.8 = 3.2
0.65x = 3.2

Divide each side by '0.65'.
x = 4.923076923

Simplifying
x = 4.923076923

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