12a-15=7a+2

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Solution for 12a-15=7a+2 equation:


Simplifying
12a + -15 = 7a + 2

Reorder the terms:
-15 + 12a = 7a + 2

Reorder the terms:
-15 + 12a = 2 + 7a

Solving
-15 + 12a = 2 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
-15 + 12a + -7a = 2 + 7a + -7a

Combine like terms: 12a + -7a = 5a
-15 + 5a = 2 + 7a + -7a

Combine like terms: 7a + -7a = 0
-15 + 5a = 2 + 0
-15 + 5a = 2

Add '15' to each side of the equation.
-15 + 15 + 5a = 2 + 15

Combine like terms: -15 + 15 = 0
0 + 5a = 2 + 15
5a = 2 + 15

Combine like terms: 2 + 15 = 17
5a = 17

Divide each side by '5'.
a = 3.4

Simplifying
a = 3.4

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