5e+13=7e-21

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Solution for 5e+13=7e-21 equation:


Simplifying
5e + 13 = 7e + -21

Reorder the terms:
13 + 5e = 7e + -21

Reorder the terms:
13 + 5e = -21 + 7e

Solving
13 + 5e = -21 + 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.
13 + 5e + -7e = -21 + 7e + -7e

Combine like terms: 5e + -7e = -2e
13 + -2e = -21 + 7e + -7e

Combine like terms: 7e + -7e = 0
13 + -2e = -21 + 0
13 + -2e = -21

Add '-13' to each side of the equation.
13 + -13 + -2e = -21 + -13

Combine like terms: 13 + -13 = 0
0 + -2e = -21 + -13
-2e = -21 + -13

Combine like terms: -21 + -13 = -34
-2e = -34

Divide each side by '-2'.
e = 17

Simplifying
e = 17

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