21a-11=10

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Solution for 21a-11=10 equation: 


Simplifying
21a + -11 = 10

Reorder the terms:
-11 + 21a = 10

Solving
-11 + 21a = 10

Solving for variable 'a'.

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

Add '11' to each side of the equation.
-11 + 11 + 21a = 10 + 11

Combine like terms: -11 + 11 = 0
0 + 21a = 10 + 11
21a = 10 + 11

Combine like terms: 10 + 11 = 21
21a = 21

Divide each side by '21'.
a = 1

Simplifying
a = 1

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