a+2a-1=11

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Solution for a+2a-1=11 equation:


Simplifying
a + 2a + -1 = 11

Reorder the terms:
-1 + a + 2a = 11

Combine like terms: a + 2a = 3a
-1 + 3a = 11

Solving
-1 + 3a = 11

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 1 + 3a = 11 + 1

Combine like terms: -1 + 1 = 0
0 + 3a = 11 + 1
3a = 11 + 1

Combine like terms: 11 + 1 = 12
3a = 12

Divide each side by '3'.
a = 4

Simplifying
a = 4

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