0.30x+.05(10-x)=.10(-20)

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Solution for 0.30x+.05(10-x)=.10(-20) equation:


Simplifying
0.30x + 0.05(10 + -1x) = 0.10(-20)
0.30x + (10 * 0.05 + -1x * 0.05) = 0.10(-20)
0.30x + (0.5 + -0.05x) = 0.10(-20)

Reorder the terms:
0.5 + 0.30x + -0.05x = 0.10(-20)

Combine like terms: 0.30x + -0.05x = 0.25x
0.5 + 0.25x = 0.10(-20)

Multiply 0.10 * -20
0.5 + 0.25x = -2

Solving
0.5 + 0.25x = -2

Solving for variable 'x'.

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

Add '-0.5' to each side of the equation.
0.5 + -0.5 + 0.25x = -2 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + 0.25x = -2 + -0.5
0.25x = -2 + -0.5

Combine like terms: -2 + -0.5 = -2.5
0.25x = -2.5

Divide each side by '0.25'.
x = -10

Simplifying
x = -10

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