2.1x+3.1=11.5

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Solution for 2.1x+3.1=11.5 equation: 


Simplifying
2.1x + 3.1 = 11.5

Reorder the terms:
3.1 + 2.1x = 11.5

Solving
3.1 + 2.1x = 11.5

Solving for variable 'x'.

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

Add '-3.1' to each side of the equation.
3.1 + -3.1 + 2.1x = 11.5 + -3.1

Combine like terms: 3.1 + -3.1 = 0.0
0.0 + 2.1x = 11.5 + -3.1
2.1x = 11.5 + -3.1

Combine like terms: 11.5 + -3.1 = 8.4
2.1x = 8.4

Divide each side by '2.1'.
x = 4

Simplifying
x = 4

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