2.1x-5=2

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Solution for 2.1x-5=2 equation: 


Simplifying
2.1x + -5 = 2

Reorder the terms:
-5 + 2.1x = 2

Solving
-5 + 2.1x = 2

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 2.1x = 2 + 5

Combine like terms: -5 + 5 = 0
0 + 2.1x = 2 + 5
2.1x = 2 + 5

Combine like terms: 2 + 5 = 7
2.1x = 7

Divide each side by '2.1'.
x = 3.333333333

Simplifying
x = 3.333333333

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