15e+12=7e-4

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Solution for 15e+12=7e-4 equation:


Simplifying
15e + 12 = 7e + -4

Reorder the terms:
12 + 15e = 7e + -4

Reorder the terms:
12 + 15e = -4 + 7e

Solving
12 + 15e = -4 + 7e

Solving for variable 'e'.

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

Add '-7e' to each side of the equation.
12 + 15e + -7e = -4 + 7e + -7e

Combine like terms: 15e + -7e = 8e
12 + 8e = -4 + 7e + -7e

Combine like terms: 7e + -7e = 0
12 + 8e = -4 + 0
12 + 8e = -4

Add '-12' to each side of the equation.
12 + -12 + 8e = -4 + -12

Combine like terms: 12 + -12 = 0
0 + 8e = -4 + -12
8e = -4 + -12

Combine like terms: -4 + -12 = -16
8e = -16

Divide each side by '8'.
e = -2

Simplifying
e = -2

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