25+7a=a+12

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Solution for 25+7a=a+12 equation:


Simplifying
25 + 7a = a + 12

Reorder the terms:
25 + 7a = 12 + a

Solving
25 + 7a = 12 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
25 + 7a + -1a = 12 + a + -1a

Combine like terms: 7a + -1a = 6a
25 + 6a = 12 + a + -1a

Combine like terms: a + -1a = 0
25 + 6a = 12 + 0
25 + 6a = 12

Add '-25' to each side of the equation.
25 + -25 + 6a = 12 + -25

Combine like terms: 25 + -25 = 0
0 + 6a = 12 + -25
6a = 12 + -25

Combine like terms: 12 + -25 = -13
6a = -13

Divide each side by '6'.
a = -2.166666667

Simplifying
a = -2.166666667

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