4e+3=e+12

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Solution for 4e+3=e+12 equation: 


Simplifying
4e + 3 = e + 12

Reorder the terms:
3 + 4e = e + 12

Reorder the terms:
3 + 4e = 12 + e

Solving
3 + 4e = 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.
3 + 4e + -1e = 12 + e + -1e

Combine like terms: 4e + -1e = 3e
3 + 3e = 12 + e + -1e

Combine like terms: e + -1e = 0
3 + 3e = 12 + 0
3 + 3e = 12

Add '-3' to each side of the equation.
3 + -3 + 3e = 12 + -3

Combine like terms: 3 + -3 = 0
0 + 3e = 12 + -3
3e = 12 + -3

Combine like terms: 12 + -3 = 9
3e = 9

Divide each side by '3'.
e = 3

Simplifying
e = 3

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