7=a+12

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Solution for 7=a+12 equation:


Simplifying
7 = a + 12

Reorder the terms:
7 = 12 + a

Solving
7 = 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.
7 + -1a = 12 + a + -1a

Combine like terms: a + -1a = 0
7 + -1a = 12 + 0
7 + -1a = 12

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

Combine like terms: 7 + -7 = 0
0 + -1a = 12 + -7
-1a = 12 + -7

Combine like terms: 12 + -7 = 5
-1a = 5

Divide each side by '-1'.
a = -5

Simplifying
a = -5

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