2.1x+3.12=11.72

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Solution for 2.1x+3.12=11.72 equation: 


Simplifying
2.1x + 3.12 = 11.72

Reorder the terms:
3.12 + 2.1x = 11.72

Solving
3.12 + 2.1x = 11.72

Solving for variable 'x'.

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

Add '-3.12' to each side of the equation.
3.12 + -3.12 + 2.1x = 11.72 + -3.12

Combine like terms: 3.12 + -3.12 = 0.00
0.00 + 2.1x = 11.72 + -3.12
2.1x = 11.72 + -3.12

Combine like terms: 11.72 + -3.12 = 8.6
2.1x = 8.6

Divide each side by '2.1'.
x = 4.095238095

Simplifying
x = 4.095238095

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