3x+31+2x+34=80

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Solution for 3x+31+2x+34=80 equation:


Simplifying
3x + 31 + 2x + 34 = 80

Reorder the terms:
31 + 34 + 3x + 2x = 80

Combine like terms: 31 + 34 = 65
65 + 3x + 2x = 80

Combine like terms: 3x + 2x = 5x
65 + 5x = 80

Solving
65 + 5x = 80

Solving for variable 'x'.

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

Add '-65' to each side of the equation.
65 + -65 + 5x = 80 + -65

Combine like terms: 65 + -65 = 0
0 + 5x = 80 + -65
5x = 80 + -65

Combine like terms: 80 + -65 = 15
5x = 15

Divide each side by '5'.
x = 3

Simplifying
x = 3

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