11a-15=12a+6

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Solution for 11a-15=12a+6 equation:


Simplifying
11a + -15 = 12a + 6

Reorder the terms:
-15 + 11a = 12a + 6

Reorder the terms:
-15 + 11a = 6 + 12a

Solving
-15 + 11a = 6 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
-15 + 11a + -12a = 6 + 12a + -12a

Combine like terms: 11a + -12a = -1a
-15 + -1a = 6 + 12a + -12a

Combine like terms: 12a + -12a = 0
-15 + -1a = 6 + 0
-15 + -1a = 6

Add '15' to each side of the equation.
-15 + 15 + -1a = 6 + 15

Combine like terms: -15 + 15 = 0
0 + -1a = 6 + 15
-1a = 6 + 15

Combine like terms: 6 + 15 = 21
-1a = 21

Divide each side by '-1'.
a = -21

Simplifying
a = -21

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