2x+81=8x+45

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Solution for 2x+81=8x+45 equation:


Simplifying
2x + 81 = 8x + 45

Reorder the terms:
81 + 2x = 8x + 45

Reorder the terms:
81 + 2x = 45 + 8x

Solving
81 + 2x = 45 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
81 + 2x + -8x = 45 + 8x + -8x

Combine like terms: 2x + -8x = -6x
81 + -6x = 45 + 8x + -8x

Combine like terms: 8x + -8x = 0
81 + -6x = 45 + 0
81 + -6x = 45

Add '-81' to each side of the equation.
81 + -81 + -6x = 45 + -81

Combine like terms: 81 + -81 = 0
0 + -6x = 45 + -81
-6x = 45 + -81

Combine like terms: 45 + -81 = -36
-6x = -36

Divide each side by '-6'.
x = 6

Simplifying
x = 6

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