7a+12=13a

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Solution for 7a+12=13a equation:


Simplifying
7a + 12 = 13a

Reorder the terms:
12 + 7a = 13a

Solving
12 + 7a = 13a

Solving for variable 'a'.

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

Add '-13a' to each side of the equation.
12 + 7a + -13a = 13a + -13a

Combine like terms: 7a + -13a = -6a
12 + -6a = 13a + -13a

Combine like terms: 13a + -13a = 0
12 + -6a = 0

Add '-12' to each side of the equation.
12 + -12 + -6a = 0 + -12

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

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

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

Simplifying
a = 2

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