e=3(e-4)

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Solution for e=3(e-4) equation: 


Simplifying
e = 3(e + -4)

Reorder the terms:
e = 3(-4 + e)
e = (-4 * 3 + e * 3)
e = (-12 + 3e)

Solving
e = -12 + 3e

Solving for variable 'e'.

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

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

Combine like terms: e + -3e = -2e
-2e = -12 + 3e + -3e

Combine like terms: 3e + -3e = 0
-2e = -12 + 0
-2e = -12

Divide each side by '-2'.
e = 6

Simplifying
e = 6

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