0.4x+15=x-6

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Solution for 0.4x+15=x-6 equation:


Simplifying
0.4x + 15 = x + -6

Reorder the terms:
15 + 0.4x = x + -6

Reorder the terms:
15 + 0.4x = -6 + x

Solving
15 + 0.4x = -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 + 0.4x + -1x = -6 + x + -1x

Combine like terms: 0.4x + -1x = -0.6x
15 + -0.6x = -6 + x + -1x

Combine like terms: x + -1x = 0
15 + -0.6x = -6 + 0
15 + -0.6x = -6

Add '-15' to each side of the equation.
15 + -15 + -0.6x = -6 + -15

Combine like terms: 15 + -15 = 0
0 + -0.6x = -6 + -15
-0.6x = -6 + -15

Combine like terms: -6 + -15 = -21
-0.6x = -21

Divide each side by '-0.6'.
x = 35

Simplifying
x = 35

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