3x-12-4=5x+6.9-3x

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Solution for 3x-12-4=5x+6.9-3x equation:


Simplifying
3x + -12 + -4 = 5x + 6.9 + -3x

Reorder the terms:
-12 + -4 + 3x = 5x + 6.9 + -3x

Combine like terms: -12 + -4 = -16
-16 + 3x = 5x + 6.9 + -3x

Reorder the terms:
-16 + 3x = 6.9 + 5x + -3x

Combine like terms: 5x + -3x = 2x
-16 + 3x = 6.9 + 2x

Solving
-16 + 3x = 6.9 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-16 + 3x + -2x = 6.9 + 2x + -2x

Combine like terms: 3x + -2x = 1x
-16 + 1x = 6.9 + 2x + -2x

Combine like terms: 2x + -2x = 0
-16 + 1x = 6.9 + 0
-16 + 1x = 6.9

Add '16' to each side of the equation.
-16 + 16 + 1x = 6.9 + 16

Combine like terms: -16 + 16 = 0
0 + 1x = 6.9 + 16
1x = 6.9 + 16

Combine like terms: 6.9 + 16 = 22.9
1x = 22.9

Divide each side by '1'.
x = 22.9

Simplifying
x = 22.9

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