0.20x+0.05(20-x)=0.10(-2)

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Solution for 0.20x+0.05(20-x)=0.10(-2) equation:


Simplifying
0.20x + 0.05(20 + -1x) = 0.10(-2)
0.20x + (20 * 0.05 + -1x * 0.05) = 0.10(-2)
0.20x + (1 + -0.05x) = 0.10(-2)

Reorder the terms:
1 + 0.20x + -0.05x = 0.10(-2)

Combine like terms: 0.20x + -0.05x = 0.15x
1 + 0.15x = 0.10(-2)

Multiply 0.10 * -2
1 + 0.15x = -0.2

Solving
1 + 0.15x = -0.2

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 0.15x = -0.2 + -1

Combine like terms: 1 + -1 = 0
0 + 0.15x = -0.2 + -1
0.15x = -0.2 + -1

Combine like terms: -0.2 + -1 = -1.2
0.15x = -1.2

Divide each side by '0.15'.
x = -8

Simplifying
x = -8

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