.10x+.25(x+30)=12.75

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Solution for .10x+.25(x+30)=12.75 equation:


Simplifying
0.10x + 0.25(x + 30) = 12.75

Reorder the terms:
0.10x + 0.25(30 + x) = 12.75
0.10x + (30 * 0.25 + x * 0.25) = 12.75
0.10x + (7.5 + 0.25x) = 12.75

Reorder the terms:
7.5 + 0.10x + 0.25x = 12.75

Combine like terms: 0.10x + 0.25x = 0.35x
7.5 + 0.35x = 12.75

Solving
7.5 + 0.35x = 12.75

Solving for variable 'x'.

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

Add '-7.5' to each side of the equation.
7.5 + -7.5 + 0.35x = 12.75 + -7.5

Combine like terms: 7.5 + -7.5 = 0.0
0.0 + 0.35x = 12.75 + -7.5
0.35x = 12.75 + -7.5

Combine like terms: 12.75 + -7.5 = 5.25
0.35x = 5.25

Divide each side by '0.35'.
x = 15

Simplifying
x = 15

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