7.7x-1.3=21.8

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Solution for 7.7x-1.3=21.8 equation:


Simplifying
7.7x + -1.3 = 21.8

Reorder the terms:
-1.3 + 7.7x = 21.8

Solving
-1.3 + 7.7x = 21.8

Solving for variable 'x'.

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

Add '1.3' to each side of the equation.
-1.3 + 1.3 + 7.7x = 21.8 + 1.3

Combine like terms: -1.3 + 1.3 = 0.0
0.0 + 7.7x = 21.8 + 1.3
7.7x = 21.8 + 1.3

Combine like terms: 21.8 + 1.3 = 23.1
7.7x = 23.1

Divide each side by '7.7'.
x = 3

Simplifying
x = 3

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