2.1x-3=7

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Solution for 2.1x-3=7 equation: 


Simplifying
2.1x + -3 = 7

Reorder the terms:
-3 + 2.1x = 7

Solving
-3 + 2.1x = 7

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 2.1x = 7 + 3

Combine like terms: -3 + 3 = 0
0 + 2.1x = 7 + 3
2.1x = 7 + 3

Combine like terms: 7 + 3 = 10
2.1x = 10

Divide each side by '2.1'.
x = 4.761904762

Simplifying
x = 4.761904762

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