3x+3=81+x

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Solution for 3x+3=81+x equation:


Simplifying
3x + 3 = 81 + x

Reorder the terms:
3 + 3x = 81 + x

Solving
3 + 3x = 81 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
3 + 3x + -1x = 81 + x + -1x

Combine like terms: 3x + -1x = 2x
3 + 2x = 81 + x + -1x

Combine like terms: x + -1x = 0
3 + 2x = 81 + 0
3 + 2x = 81

Add '-3' to each side of the equation.
3 + -3 + 2x = 81 + -3

Combine like terms: 3 + -3 = 0
0 + 2x = 81 + -3
2x = 81 + -3

Combine like terms: 81 + -3 = 78
2x = 78

Divide each side by '2'.
x = 39

Simplifying
x = 39

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