3x-9=2.5x+15

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Solution for 3x-9=2.5x+15 equation:


Simplifying
3x + -9 = 2.5x + 15

Reorder the terms:
-9 + 3x = 2.5x + 15

Reorder the terms:
-9 + 3x = 15 + 2.5x

Solving
-9 + 3x = 15 + 2.5x

Solving for variable 'x'.

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

Add '-2.5x' to each side of the equation.
-9 + 3x + -2.5x = 15 + 2.5x + -2.5x

Combine like terms: 3x + -2.5x = 0.5x
-9 + 0.5x = 15 + 2.5x + -2.5x

Combine like terms: 2.5x + -2.5x = 0.0
-9 + 0.5x = 15 + 0.0
-9 + 0.5x = 15

Add '9' to each side of the equation.
-9 + 9 + 0.5x = 15 + 9

Combine like terms: -9 + 9 = 0
0 + 0.5x = 15 + 9
0.5x = 15 + 9

Combine like terms: 15 + 9 = 24
0.5x = 24

Divide each side by '0.5'.
x = 48

Simplifying
x = 48

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