2.7+3x=12.9

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Solution for 2.7+3x=12.9 equation: 


Simplifying
2.7 + 3x = 12.9

Solving
2.7 + 3x = 12.9

Solving for variable 'x'.

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

Add '-2.7' to each side of the equation.
2.7 + -2.7 + 3x = 12.9 + -2.7

Combine like terms: 2.7 + -2.7 = 0.0
0.0 + 3x = 12.9 + -2.7
3x = 12.9 + -2.7

Combine like terms: 12.9 + -2.7 = 10.2
3x = 10.2

Divide each side by '3'.
x = 3.4

Simplifying
x = 3.4

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