12+xa=16

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Solution for 12+xa=16 equation: 


Simplifying
12 + xa = 16

Solving
12 + ax = 16

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + ax = 16 + -12

Combine like terms: 12 + -12 = 0
0 + ax = 16 + -12
ax = 16 + -12

Combine like terms: 16 + -12 = 4
ax = 4

Divide each side by 'x'.
a = 4x-1

Simplifying
a = 4x-1

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