15a+5a+a-20a=12

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Solution for 15a+5a+a-20a=12 equation:


Simplifying
15a + 5a + a + -20a = 12

Combine like terms: 15a + 5a = 20a
20a + a + -20a = 12

Combine like terms: 20a + a = 21a
21a + -20a = 12

Combine like terms: 21a + -20a = 1a
1a = 12

Solving
1a = 12

Solving for variable 'a'.

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

Divide each side by '1'.
a = 12

Simplifying
a = 12

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