12a-2=7a+28

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Solution for 12a-2=7a+28 equation:


Simplifying
12a + -2 = 7a + 28

Reorder the terms:
-2 + 12a = 7a + 28

Reorder the terms:
-2 + 12a = 28 + 7a

Solving
-2 + 12a = 28 + 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.
-2 + 12a + -7a = 28 + 7a + -7a

Combine like terms: 12a + -7a = 5a
-2 + 5a = 28 + 7a + -7a

Combine like terms: 7a + -7a = 0
-2 + 5a = 28 + 0
-2 + 5a = 28

Add '2' to each side of the equation.
-2 + 2 + 5a = 28 + 2

Combine like terms: -2 + 2 = 0
0 + 5a = 28 + 2
5a = 28 + 2

Combine like terms: 28 + 2 = 30
5a = 30

Divide each side by '5'.
a = 6

Simplifying
a = 6

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