0.5(3*x-15)=0.75*(8-x*4)

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Solution for 0.5(3*x-15)=0.75*(8-x*4) equation:


Simplifying
0.5(3x + -15) = 0.75(8 + -1x * 4)

Reorder the terms:
0.5(-15 + 3x) = 0.75(8 + -1x * 4)
(-15 * 0.5 + 3x * 0.5) = 0.75(8 + -1x * 4)
(-7.5 + 1.5x) = 0.75(8 + -1x * 4)

Reorder the terms for easier multiplication:
-7.5 + 1.5x = 0.75(8 + -1 * 4x)

Multiply -1 * 4
-7.5 + 1.5x = 0.75(8 + -4x)
-7.5 + 1.5x = (8 * 0.75 + -4x * 0.75)
-7.5 + 1.5x = (6 + -3x)

Solving
-7.5 + 1.5x = 6 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-7.5 + 1.5x + 3x = 6 + -3x + 3x

Combine like terms: 1.5x + 3x = 4.5x
-7.5 + 4.5x = 6 + -3x + 3x

Combine like terms: -3x + 3x = 0
-7.5 + 4.5x = 6 + 0
-7.5 + 4.5x = 6

Add '7.5' to each side of the equation.
-7.5 + 7.5 + 4.5x = 6 + 7.5

Combine like terms: -7.5 + 7.5 = 0.0
0.0 + 4.5x = 6 + 7.5
4.5x = 6 + 7.5

Combine like terms: 6 + 7.5 = 13.5
4.5x = 13.5

Divide each side by '4.5'.
x = 3

Simplifying
x = 3

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