8x+12.9=5x+3.6

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Solution for 8x+12.9=5x+3.6 equation:


Simplifying
8x + 12.9 = 5x + 3.6

Reorder the terms:
12.9 + 8x = 5x + 3.6

Reorder the terms:
12.9 + 8x = 3.6 + 5x

Solving
12.9 + 8x = 3.6 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
12.9 + 8x + -5x = 3.6 + 5x + -5x

Combine like terms: 8x + -5x = 3x
12.9 + 3x = 3.6 + 5x + -5x

Combine like terms: 5x + -5x = 0
12.9 + 3x = 3.6 + 0
12.9 + 3x = 3.6

Add '-12.9' to each side of the equation.
12.9 + -12.9 + 3x = 3.6 + -12.9

Combine like terms: 12.9 + -12.9 = 0.0
0.0 + 3x = 3.6 + -12.9
3x = 3.6 + -12.9

Combine like terms: 3.6 + -12.9 = -9.3
3x = -9.3

Divide each side by '3'.
x = -3.1

Simplifying
x = -3.1

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