3x+1.9=7.2x-9

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Solution for 3x+1.9=7.2x-9 equation: 


Simplifying
3x + 1.9 = 7.2x + -9

Reorder the terms:
1.9 + 3x = 7.2x + -9

Reorder the terms:
1.9 + 3x = -9 + 7.2x

Solving
1.9 + 3x = -9 + 7.2x

Solving for variable 'x'.

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

Add '-7.2x' to each side of the equation.
1.9 + 3x + -7.2x = -9 + 7.2x + -7.2x

Combine like terms: 3x + -7.2x = -4.2x
1.9 + -4.2x = -9 + 7.2x + -7.2x

Combine like terms: 7.2x + -7.2x = 0.0
1.9 + -4.2x = -9 + 0.0
1.9 + -4.2x = -9

Add '-1.9' to each side of the equation.
1.9 + -1.9 + -4.2x = -9 + -1.9

Combine like terms: 1.9 + -1.9 = 0.0
0.0 + -4.2x = -9 + -1.9
-4.2x = -9 + -1.9

Combine like terms: -9 + -1.9 = -10.9
-4.2x = -10.9

Divide each side by '-4.2'.
x = 2.595238095

Simplifying
x = 2.595238095

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