20a-5=10a

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Solution for 20a-5=10a equation:


Simplifying
20a + -5 = 10a

Reorder the terms:
-5 + 20a = 10a

Solving
-5 + 20a = 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
-5 + 20a + -10a = 10a + -10a

Combine like terms: 20a + -10a = 10a
-5 + 10a = 10a + -10a

Combine like terms: 10a + -10a = 0
-5 + 10a = 0

Add '5' to each side of the equation.
-5 + 5 + 10a = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 10a = 0 + 5
10a = 0 + 5

Combine like terms: 0 + 5 = 5
10a = 5

Divide each side by '10'.
a = 0.5

Simplifying
a = 0.5

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