644-200=12a

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Solution for 644-200=12a equation:


Simplifying
644 + -200 = 12a

Combine like terms: 644 + -200 = 444
444 = 12a

Solving
444 = 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
444 + -12a = 12a + -12a

Combine like terms: 12a + -12a = 0
444 + -12a = 0

Add '-444' to each side of the equation.
444 + -444 + -12a = 0 + -444

Combine like terms: 444 + -444 = 0
0 + -12a = 0 + -444
-12a = 0 + -444

Combine like terms: 0 + -444 = -444
-12a = -444

Divide each side by '-12'.
a = 37

Simplifying
a = 37

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