2x+42=84-81x

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Solution for 2x+42=84-81x equation:


Simplifying
2x + 42 = 84 + -81x

Reorder the terms:
42 + 2x = 84 + -81x

Solving
42 + 2x = 84 + -81x

Solving for variable 'x'.

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

Add '81x' to each side of the equation.
42 + 2x + 81x = 84 + -81x + 81x

Combine like terms: 2x + 81x = 83x
42 + 83x = 84 + -81x + 81x

Combine like terms: -81x + 81x = 0
42 + 83x = 84 + 0
42 + 83x = 84

Add '-42' to each side of the equation.
42 + -42 + 83x = 84 + -42

Combine like terms: 42 + -42 = 0
0 + 83x = 84 + -42
83x = 84 + -42

Combine like terms: 84 + -42 = 42
83x = 42

Divide each side by '83'.
x = 0.5060240964

Simplifying
x = 0.5060240964

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