x+2x+3x+a=25

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Solution for x+2x+3x+a=25 equation:


Simplifying
x + 2x + 3x + a = 25

Reorder the terms:
a + x + 2x + 3x = 25

Combine like terms: x + 2x = 3x
a + 3x + 3x = 25

Combine like terms: 3x + 3x = 6x
a + 6x = 25

Solving
a + 6x = 25

Solving for variable 'a'.

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

Add '-6x' to each side of the equation.
a + 6x + -6x = 25 + -6x

Combine like terms: 6x + -6x = 0
a + 0 = 25 + -6x
a = 25 + -6x

Simplifying
a = 25 + -6x

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