80+3x+1=90

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Solution for 80+3x+1=90 equation:


Simplifying
80 + 3x + 1 = 90

Reorder the terms:
80 + 1 + 3x = 90

Combine like terms: 80 + 1 = 81
81 + 3x = 90

Solving
81 + 3x = 90

Solving for variable 'x'.

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

Add '-81' to each side of the equation.
81 + -81 + 3x = 90 + -81

Combine like terms: 81 + -81 = 0
0 + 3x = 90 + -81
3x = 90 + -81

Combine like terms: 90 + -81 = 9
3x = 9

Divide each side by '3'.
x = 3

Simplifying
x = 3

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