-3(2e-1)=15

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Solution for -3(2e-1)=15 equation: 


Simplifying
-3(2e + -1) = 15

Reorder the terms:
-3(-1 + 2e) = 15
(-1 * -3 + 2e * -3) = 15
(3 + -6e) = 15

Solving
3 + -6e = 15

Solving for variable 'e'.

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

Add '-3' to each side of the equation.
3 + -3 + -6e = 15 + -3

Combine like terms: 3 + -3 = 0
0 + -6e = 15 + -3
-6e = 15 + -3

Combine like terms: 15 + -3 = 12
-6e = 12

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

Simplifying
e = -2

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