5a-6=2a+15

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Solution for 5a-6=2a+15 equation:


Simplifying
5a + -6 = 2a + 15

Reorder the terms:
-6 + 5a = 2a + 15

Reorder the terms:
-6 + 5a = 15 + 2a

Solving
-6 + 5a = 15 + 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.
-6 + 5a + -2a = 15 + 2a + -2a

Combine like terms: 5a + -2a = 3a
-6 + 3a = 15 + 2a + -2a

Combine like terms: 2a + -2a = 0
-6 + 3a = 15 + 0
-6 + 3a = 15

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

Combine like terms: -6 + 6 = 0
0 + 3a = 15 + 6
3a = 15 + 6

Combine like terms: 15 + 6 = 21
3a = 21

Divide each side by '3'.
a = 7

Simplifying
a = 7

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