0.3x+6.9=1.6x-8.7

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Solution for 0.3x+6.9=1.6x-8.7 equation: 


Simplifying
0.3x + 6.9 = 1.6x + -8.7

Reorder the terms:
6.9 + 0.3x = 1.6x + -8.7

Reorder the terms:
6.9 + 0.3x = -8.7 + 1.6x

Solving
6.9 + 0.3x = -8.7 + 1.6x

Solving for variable 'x'.

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

Add '-1.6x' to each side of the equation.
6.9 + 0.3x + -1.6x = -8.7 + 1.6x + -1.6x

Combine like terms: 0.3x + -1.6x = -1.3x
6.9 + -1.3x = -8.7 + 1.6x + -1.6x

Combine like terms: 1.6x + -1.6x = 0.0
6.9 + -1.3x = -8.7 + 0.0
6.9 + -1.3x = -8.7

Add '-6.9' to each side of the equation.
6.9 + -6.9 + -1.3x = -8.7 + -6.9

Combine like terms: 6.9 + -6.9 = 0.0
0.0 + -1.3x = -8.7 + -6.9
-1.3x = -8.7 + -6.9

Combine like terms: -8.7 + -6.9 = -15.6
-1.3x = -15.6

Divide each side by '-1.3'.
x = 12

Simplifying
x = 12

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