52-a+3=42

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Solution for 52-a+3=42 equation:


Simplifying
52 + -1a + 3 = 42

Reorder the terms:
52 + 3 + -1a = 42

Combine like terms: 52 + 3 = 55
55 + -1a = 42

Solving
55 + -1a = 42

Solving for variable 'a'.

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

Add '-55' to each side of the equation.
55 + -55 + -1a = 42 + -55

Combine like terms: 55 + -55 = 0
0 + -1a = 42 + -55
-1a = 42 + -55

Combine like terms: 42 + -55 = -13
-1a = -13

Divide each side by '-1'.
a = 13

Simplifying
a = 13

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