7.5x+72=2.5(5x+12)+3x

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Solution for 7.5x+72=2.5(5x+12)+3x equation:


Simplifying
7.5x + 72 = 2.5(5x + 12) + 3x

Reorder the terms:
72 + 7.5x = 2.5(5x + 12) + 3x

Reorder the terms:
72 + 7.5x = 2.5(12 + 5x) + 3x
72 + 7.5x = (12 * 2.5 + 5x * 2.5) + 3x
72 + 7.5x = (30 + 12.5x) + 3x

Combine like terms: 12.5x + 3x = 15.5x
72 + 7.5x = 30 + 15.5x

Solving
72 + 7.5x = 30 + 15.5x

Solving for variable 'x'.

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

Add '-15.5x' to each side of the equation.
72 + 7.5x + -15.5x = 30 + 15.5x + -15.5x

Combine like terms: 7.5x + -15.5x = -8x
72 + -8x = 30 + 15.5x + -15.5x

Combine like terms: 15.5x + -15.5x = 0.0
72 + -8x = 30 + 0.0
72 + -8x = 30

Add '-72' to each side of the equation.
72 + -72 + -8x = 30 + -72

Combine like terms: 72 + -72 = 0
0 + -8x = 30 + -72
-8x = 30 + -72

Combine like terms: 30 + -72 = -42
-8x = -42

Divide each side by '-8'.
x = 5.25

Simplifying
x = 5.25

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