6a+3=5a+15

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Solution for 6a+3=5a+15 equation:


Simplifying
6a + 3 = 5a + 15

Reorder the terms:
3 + 6a = 5a + 15

Reorder the terms:
3 + 6a = 15 + 5a

Solving
3 + 6a = 15 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
3 + 6a + -5a = 15 + 5a + -5a

Combine like terms: 6a + -5a = 1a
3 + 1a = 15 + 5a + -5a

Combine like terms: 5a + -5a = 0
3 + 1a = 15 + 0
3 + 1a = 15

Add '-3' to each side of the equation.
3 + -3 + 1a = 15 + -3

Combine like terms: 3 + -3 = 0
0 + 1a = 15 + -3
1a = 15 + -3

Combine like terms: 15 + -3 = 12
1a = 12

Divide each side by '1'.
a = 12

Simplifying
a = 12

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