3a-15=2a

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Solution for 3a-15=2a equation:


Simplifying
3a + -15 = 2a

Reorder the terms:
-15 + 3a = 2a

Solving
-15 + 3a = 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-15 + 3a + -2a = 2a + -2a

Combine like terms: 3a + -2a = 1a
-15 + 1a = 2a + -2a

Combine like terms: 2a + -2a = 0
-15 + 1a = 0

Add '15' to each side of the equation.
-15 + 15 + 1a = 0 + 15

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

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

Divide each side by '1'.
a = 15

Simplifying
a = 15

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