2a-12-45=53

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Solution for 2a-12-45=53 equation:


Simplifying
2a + -12 + -45 = 53

Reorder the terms:
-12 + -45 + 2a = 53

Combine like terms: -12 + -45 = -57
-57 + 2a = 53

Solving
-57 + 2a = 53

Solving for variable 'a'.

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

Add '57' to each side of the equation.
-57 + 57 + 2a = 53 + 57

Combine like terms: -57 + 57 = 0
0 + 2a = 53 + 57
2a = 53 + 57

Combine like terms: 53 + 57 = 110
2a = 110

Divide each side by '2'.
a = 55

Simplifying
a = 55

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