81x+27x+9x+3x-2=130

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Solution for 81x+27x+9x+3x-2=130 equation:


Simplifying
81x + 27x + 9x + 3x + -2 = 130

Reorder the terms:
-2 + 81x + 27x + 9x + 3x = 130

Combine like terms: 81x + 27x = 108x
-2 + 108x + 9x + 3x = 130

Combine like terms: 108x + 9x = 117x
-2 + 117x + 3x = 130

Combine like terms: 117x + 3x = 120x
-2 + 120x = 130

Solving
-2 + 120x = 130

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 120x = 130 + 2

Combine like terms: -2 + 2 = 0
0 + 120x = 130 + 2
120x = 130 + 2

Combine like terms: 130 + 2 = 132
120x = 132

Divide each side by '120'.
x = 1.1

Simplifying
x = 1.1

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