12a+7+6a=13+7a

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Solution for 12a+7+6a=13+7a equation:


Simplifying
12a + 7 + 6a = 13 + 7a

Reorder the terms:
7 + 12a + 6a = 13 + 7a

Combine like terms: 12a + 6a = 18a
7 + 18a = 13 + 7a

Solving
7 + 18a = 13 + 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.
7 + 18a + -7a = 13 + 7a + -7a

Combine like terms: 18a + -7a = 11a
7 + 11a = 13 + 7a + -7a

Combine like terms: 7a + -7a = 0
7 + 11a = 13 + 0
7 + 11a = 13

Add '-7' to each side of the equation.
7 + -7 + 11a = 13 + -7

Combine like terms: 7 + -7 = 0
0 + 11a = 13 + -7
11a = 13 + -7

Combine like terms: 13 + -7 = 6
11a = 6

Divide each side by '11'.
a = 0.5454545455

Simplifying
a = 0.5454545455

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