2a+12=8a-3

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Solution for 2a+12=8a-3 equation:


Simplifying
2a + 12 = 8a + -3

Reorder the terms:
12 + 2a = 8a + -3

Reorder the terms:
12 + 2a = -3 + 8a

Solving
12 + 2a = -3 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
12 + 2a + -8a = -3 + 8a + -8a

Combine like terms: 2a + -8a = -6a
12 + -6a = -3 + 8a + -8a

Combine like terms: 8a + -8a = 0
12 + -6a = -3 + 0
12 + -6a = -3

Add '-12' to each side of the equation.
12 + -12 + -6a = -3 + -12

Combine like terms: 12 + -12 = 0
0 + -6a = -3 + -12
-6a = -3 + -12

Combine like terms: -3 + -12 = -15
-6a = -15

Divide each side by '-6'.
a = 2.5

Simplifying
a = 2.5

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