.25(x-30)=15

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Solution for .25(x-30)=15 equation: 


Simplifying
0.25(x + -30) = 15

Reorder the terms:
0.25(-30 + x) = 15
(-30 * 0.25 + x * 0.25) = 15
(-7.5 + 0.25x) = 15

Solving
-7.5 + 0.25x = 15

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 + 0.25x = 15 + 7.5

Combine like terms: -7.5 + 7.5 = 0.0
0.0 + 0.25x = 15 + 7.5
0.25x = 15 + 7.5

Combine like terms: 15 + 7.5 = 22.5
0.25x = 22.5

Divide each side by '0.25'.
x = 90

Simplifying
x = 90

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