3x-0.25x+9=31

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Solution for 3x-0.25x+9=31 equation:


Simplifying
3x + -0.25x + 9 = 31

Reorder the terms:
9 + 3x + -0.25x = 31

Combine like terms: 3x + -0.25x = 2.75x
9 + 2.75x = 31

Solving
9 + 2.75x = 31

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 2.75x = 31 + -9

Combine like terms: 9 + -9 = 0
0 + 2.75x = 31 + -9
2.75x = 31 + -9

Combine like terms: 31 + -9 = 22
2.75x = 22

Divide each side by '2.75'.
x = 8

Simplifying
x = 8

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