.75(4x-8)=15

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Solution for .75(4x-8)=15 equation: 


Simplifying
0.75(4x + -8) = 15

Reorder the terms:
0.75(-8 + 4x) = 15
(-8 * 0.75 + 4x * 0.75) = 15
(-6 + 3x) = 15

Solving
-6 + 3x = 15

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 + 3x = 15 + 6

Combine like terms: -6 + 6 = 0
0 + 3x = 15 + 6
3x = 15 + 6

Combine like terms: 15 + 6 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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