12a+10-3a=15a-2

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Solution for 12a+10-3a=15a-2 equation:


Simplifying
12a + 10 + -3a = 15a + -2

Reorder the terms:
10 + 12a + -3a = 15a + -2

Combine like terms: 12a + -3a = 9a
10 + 9a = 15a + -2

Reorder the terms:
10 + 9a = -2 + 15a

Solving
10 + 9a = -2 + 15a

Solving for variable 'a'.

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

Add '-15a' to each side of the equation.
10 + 9a + -15a = -2 + 15a + -15a

Combine like terms: 9a + -15a = -6a
10 + -6a = -2 + 15a + -15a

Combine like terms: 15a + -15a = 0
10 + -6a = -2 + 0
10 + -6a = -2

Add '-10' to each side of the equation.
10 + -10 + -6a = -2 + -10

Combine like terms: 10 + -10 = 0
0 + -6a = -2 + -10
-6a = -2 + -10

Combine like terms: -2 + -10 = -12
-6a = -12

Divide each side by '-6'.
a = 2

Simplifying
a = 2

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