30x+20(1-x)=22.5

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Solution for 30x+20(1-x)=22.5 equation:


Simplifying
30x + 20(1 + -1x) = 22.5
30x + (1 * 20 + -1x * 20) = 22.5
30x + (20 + -20x) = 22.5

Reorder the terms:
20 + 30x + -20x = 22.5

Combine like terms: 30x + -20x = 10x
20 + 10x = 22.5

Solving
20 + 10x = 22.5

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 10x = 22.5 + -20

Combine like terms: 20 + -20 = 0
0 + 10x = 22.5 + -20
10x = 22.5 + -20

Combine like terms: 22.5 + -20 = 2.5
10x = 2.5

Divide each side by '10'.
x = 0.25

Simplifying
x = 0.25

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