3x+x+3x-2.50=13.25

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Solution for 3x+x+3x-2.50=13.25 equation:


Simplifying
3x + x + 3x + -2.50 = 13.25

Reorder the terms:
-2.50 + 3x + x + 3x = 13.25

Combine like terms: 3x + x = 4x
-2.50 + 4x + 3x = 13.25

Combine like terms: 4x + 3x = 7x
-2.50 + 7x = 13.25

Solving
-2.50 + 7x = 13.25

Solving for variable 'x'.

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

Add '2.50' to each side of the equation.
-2.50 + 2.50 + 7x = 13.25 + 2.50

Combine like terms: -2.50 + 2.50 = 0.00
0.00 + 7x = 13.25 + 2.50
7x = 13.25 + 2.50

Combine like terms: 13.25 + 2.50 = 15.75
7x = 15.75

Divide each side by '7'.
x = 2.25

Simplifying
x = 2.25

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