4.2x+46.2=12.9-6.9x

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Solution for 4.2x+46.2=12.9-6.9x equation: 


Simplifying
4.2x + 46.2 = 12.9 + -6.9x

Reorder the terms:
46.2 + 4.2x = 12.9 + -6.9x

Solving
46.2 + 4.2x = 12.9 + -6.9x

Solving for variable 'x'.

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

Add '6.9x' to each side of the equation.
46.2 + 4.2x + 6.9x = 12.9 + -6.9x + 6.9x

Combine like terms: 4.2x + 6.9x = 11.1x
46.2 + 11.1x = 12.9 + -6.9x + 6.9x

Combine like terms: -6.9x + 6.9x = 0.0
46.2 + 11.1x = 12.9 + 0.0
46.2 + 11.1x = 12.9

Add '-46.2' to each side of the equation.
46.2 + -46.2 + 11.1x = 12.9 + -46.2

Combine like terms: 46.2 + -46.2 = 0.0
0.0 + 11.1x = 12.9 + -46.2
11.1x = 12.9 + -46.2

Combine like terms: 12.9 + -46.2 = -33.3
11.1x = -33.3

Divide each side by '11.1'.
x = -3

Simplifying
x = -3

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