0.45X+0.05(8-X)=0.10(-20)

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Solution for 0.45X+0.05(8-X)=0.10(-20) equation: 


Simplifying
0.45X + 0.05(8 + -1X) = 0.10(-20)
0.45X + (8 * 0.05 + -1X * 0.05) = 0.10(-20)
0.45X + (0.4 + -0.05X) = 0.10(-20)

Reorder the terms:
0.4 + 0.45X + -0.05X = 0.10(-20)

Combine like terms: 0.45X + -0.05X = 0.4X
0.4 + 0.4X = 0.10(-20)

Multiply 0.10 * -20
0.4 + 0.4X = -2

Solving
0.4 + 0.4X = -2

Solving for variable 'X'.

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

Add '-0.4' to each side of the equation.
0.4 + -0.4 + 0.4X = -2 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + 0.4X = -2 + -0.4
0.4X = -2 + -0.4

Combine like terms: -2 + -0.4 = -2.4
0.4X = -2.4

Divide each side by '0.4'.
X = -6

Simplifying
X = -6

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