321=a+2a+3a

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Solution for 321=a+2a+3a equation:


Simplifying
321 = a + 2a + 3a

Combine like terms: a + 2a = 3a
321 = 3a + 3a

Combine like terms: 3a + 3a = 6a
321 = 6a

Solving
321 = 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
321 + -6a = 6a + -6a

Combine like terms: 6a + -6a = 0
321 + -6a = 0

Add '-321' to each side of the equation.
321 + -321 + -6a = 0 + -321

Combine like terms: 321 + -321 = 0
0 + -6a = 0 + -321
-6a = 0 + -321

Combine like terms: 0 + -321 = -321
-6a = -321

Divide each side by '-6'.
a = 53.5

Simplifying
a = 53.5

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