0.15x+0.05(6-X)=0.10(21)

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Solution for 0.15x+0.05(6-X)=0.10(21) equation: 


Simplifying
0.15x + 0.05(6 + -1X) = 0.10(21)
0.15x + (6 * 0.05 + -1X * 0.05) = 0.10(21)
0.15x + (0.3 + -0.05X) = 0.10(21)

Reorder the terms:
0.3 + -0.05X + 0.15x = 0.10(21)

Multiply 0.10 * 21
0.3 + -0.05X + 0.15x = 2.1

Solving
0.3 + -0.05X + 0.15x = 2.1

Solving for variable 'X'.

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

Add '-0.3' to each side of the equation.
0.3 + -0.05X + -0.3 + 0.15x = 2.1 + -0.3

Reorder the terms:
0.3 + -0.3 + -0.05X + 0.15x = 2.1 + -0.3

Combine like terms: 0.3 + -0.3 = 0.0
0.0 + -0.05X + 0.15x = 2.1 + -0.3
-0.05X + 0.15x = 2.1 + -0.3

Combine like terms: 2.1 + -0.3 = 1.8
-0.05X + 0.15x = 1.8

Add '-0.15x' to each side of the equation.
-0.05X + 0.15x + -0.15x = 1.8 + -0.15x

Combine like terms: 0.15x + -0.15x = 0.00
-0.05X + 0.00 = 1.8 + -0.15x
-0.05X = 1.8 + -0.15x

Divide each side by '-0.05'.
X = -36 + 3x

Simplifying
X = -36 + 3x

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