6.4x-2.9=1.4x+12.1

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Solution for 6.4x-2.9=1.4x+12.1 equation:


Simplifying
6.4x + -2.9 = 1.4x + 12.1

Reorder the terms:
-2.9 + 6.4x = 1.4x + 12.1

Reorder the terms:
-2.9 + 6.4x = 12.1 + 1.4x

Solving
-2.9 + 6.4x = 12.1 + 1.4x

Solving for variable 'x'.

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

Add '-1.4x' to each side of the equation.
-2.9 + 6.4x + -1.4x = 12.1 + 1.4x + -1.4x

Combine like terms: 6.4x + -1.4x = 5x
-2.9 + 5x = 12.1 + 1.4x + -1.4x

Combine like terms: 1.4x + -1.4x = 0.0
-2.9 + 5x = 12.1 + 0.0
-2.9 + 5x = 12.1

Add '2.9' to each side of the equation.
-2.9 + 2.9 + 5x = 12.1 + 2.9

Combine like terms: -2.9 + 2.9 = 0.0
0.0 + 5x = 12.1 + 2.9
5x = 12.1 + 2.9

Combine like terms: 12.1 + 2.9 = 15
5x = 15

Divide each side by '5'.
x = 3

Simplifying
x = 3

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