2.5x+15=x-6

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Solution for 2.5x+15=x-6 equation:


Simplifying
2.5x + 15 = x + -6

Reorder the terms:
15 + 2.5x = x + -6

Reorder the terms:
15 + 2.5x = -6 + x

Solving
15 + 2.5x = -6 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
15 + 2.5x + -1x = -6 + x + -1x

Combine like terms: 2.5x + -1x = 1.5x
15 + 1.5x = -6 + x + -1x

Combine like terms: x + -1x = 0
15 + 1.5x = -6 + 0
15 + 1.5x = -6

Add '-15' to each side of the equation.
15 + -15 + 1.5x = -6 + -15

Combine like terms: 15 + -15 = 0
0 + 1.5x = -6 + -15
1.5x = -6 + -15

Combine like terms: -6 + -15 = -21
1.5x = -21

Divide each side by '1.5'.
x = -14

Simplifying
x = -14

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