3x-a=2x+20-11

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Solution for 3x-a=2x+20-11 equation:


Simplifying
3x + -1a = 2x + 20 + -11

Reorder the terms:
-1a + 3x = 2x + 20 + -11

Reorder the terms:
-1a + 3x = 20 + -11 + 2x

Combine like terms: 20 + -11 = 9
-1a + 3x = 9 + 2x

Solving
-1a + 3x = 9 + 2x

Solving for variable 'a'.

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

Add '-3x' to each side of the equation.
-1a + 3x + -3x = 9 + 2x + -3x

Combine like terms: 3x + -3x = 0
-1a + 0 = 9 + 2x + -3x
-1a = 9 + 2x + -3x

Combine like terms: 2x + -3x = -1x
-1a = 9 + -1x

Divide each side by '-1'.
a = -9 + x

Simplifying
a = -9 + x

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