11a-21=3a+11

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Solution for 11a-21=3a+11 equation:


Simplifying
11a + -21 = 3a + 11

Reorder the terms:
-21 + 11a = 3a + 11

Reorder the terms:
-21 + 11a = 11 + 3a

Solving
-21 + 11a = 11 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-21 + 11a + -3a = 11 + 3a + -3a

Combine like terms: 11a + -3a = 8a
-21 + 8a = 11 + 3a + -3a

Combine like terms: 3a + -3a = 0
-21 + 8a = 11 + 0
-21 + 8a = 11

Add '21' to each side of the equation.
-21 + 21 + 8a = 11 + 21

Combine like terms: -21 + 21 = 0
0 + 8a = 11 + 21
8a = 11 + 21

Combine like terms: 11 + 21 = 32
8a = 32

Divide each side by '8'.
a = 4

Simplifying
a = 4

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