30+12=e-12

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Solution for 30+12=e-12 equation:


Simplifying
30 + 12 = e + -12

Combine like terms: 30 + 12 = 42
42 = e + -12

Reorder the terms:
42 = -12 + e

Solving
42 = -12 + e

Solving for variable 'e'.

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

Add '-1e' to each side of the equation.
42 + -1e = -12 + e + -1e

Combine like terms: e + -1e = 0
42 + -1e = -12 + 0
42 + -1e = -12

Add '-42' to each side of the equation.
42 + -42 + -1e = -12 + -42

Combine like terms: 42 + -42 = 0
0 + -1e = -12 + -42
-1e = -12 + -42

Combine like terms: -12 + -42 = -54
-1e = -54

Divide each side by '-1'.
e = 54

Simplifying
e = 54

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