6.9x-2.1=25.5

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Solution for 6.9x-2.1=25.5 equation:


Simplifying
6.9x + -2.1 = 25.5

Reorder the terms:
-2.1 + 6.9x = 25.5

Solving
-2.1 + 6.9x = 25.5

Solving for variable 'x'.

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

Add '2.1' to each side of the equation.
-2.1 + 2.1 + 6.9x = 25.5 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 + 6.9x = 25.5 + 2.1
6.9x = 25.5 + 2.1

Combine like terms: 25.5 + 2.1 = 27.6
6.9x = 27.6

Divide each side by '6.9'.
x = 4

Simplifying
x = 4

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