.05x-.20(30+x)=.30(30)

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Solution for .05x-.20(30+x)=.30(30) equation:


Simplifying
0.05x + -0.20(30 + x) = 0.30(30)
0.05x + (30 * -0.20 + x * -0.20) = 0.30(30)
0.05x + (-6 + -0.20x) = 0.30(30)

Reorder the terms:
-6 + 0.05x + -0.20x = 0.30(30)

Combine like terms: 0.05x + -0.20x = -0.15x
-6 + -0.15x = 0.30(30)

Multiply 0.30 * 30
-6 + -0.15x = 9

Solving
-6 + -0.15x = 9

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + -0.15x = 9 + 6

Combine like terms: -6 + 6 = 0
0 + -0.15x = 9 + 6
-0.15x = 9 + 6

Combine like terms: 9 + 6 = 15
-0.15x = 15

Divide each side by '-0.15'.
x = -100

Simplifying
x = -100

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