42=e-7

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Solution for 42=e-7 equation:


Simplifying
42 = e + -7

Reorder the terms:
42 = -7 + e

Solving
42 = -7 + 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 = -7 + e + -1e

Combine like terms: e + -1e = 0
42 + -1e = -7 + 0
42 + -1e = -7

Add '-42' to each side of the equation.
42 + -42 + -1e = -7 + -42

Combine like terms: 42 + -42 = 0
0 + -1e = -7 + -42
-1e = -7 + -42

Combine like terms: -7 + -42 = -49
-1e = -49

Divide each side by '-1'.
e = 49

Simplifying
e = 49

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