2x+4=85

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Solution for 2x+4=85 equation: 


Simplifying
2x + 4 = 85

Reorder the terms:
4 + 2x = 85

Solving
4 + 2x = 85

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 2x = 85 + -4

Combine like terms: 4 + -4 = 0
0 + 2x = 85 + -4
2x = 85 + -4

Combine like terms: 85 + -4 = 81
2x = 81

Divide each side by '2'.
x = 40.5

Simplifying
x = 40.5

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