.5x+7.2=.4x-18.9

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Solution for .5x+7.2=.4x-18.9 equation:


Simplifying
0.5x + 7.2 = 0.4x + -18.9

Reorder the terms:
7.2 + 0.5x = 0.4x + -18.9

Reorder the terms:
7.2 + 0.5x = -18.9 + 0.4x

Solving
7.2 + 0.5x = -18.9 + 0.4x

Solving for variable 'x'.

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

Add '-0.4x' to each side of the equation.
7.2 + 0.5x + -0.4x = -18.9 + 0.4x + -0.4x

Combine like terms: 0.5x + -0.4x = 0.1x
7.2 + 0.1x = -18.9 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
7.2 + 0.1x = -18.9 + 0.0
7.2 + 0.1x = -18.9

Add '-7.2' to each side of the equation.
7.2 + -7.2 + 0.1x = -18.9 + -7.2

Combine like terms: 7.2 + -7.2 = 0.0
0.0 + 0.1x = -18.9 + -7.2
0.1x = -18.9 + -7.2

Combine like terms: -18.9 + -7.2 = -26.1
0.1x = -26.1

Divide each side by '0.1'.
x = -261

Simplifying
x = -261

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