5e-30=12e-9

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Solution for 5e-30=12e-9 equation:


Simplifying
5e + -30 = 12e + -9

Reorder the terms:
-30 + 5e = 12e + -9

Reorder the terms:
-30 + 5e = -9 + 12e

Solving
-30 + 5e = -9 + 12e

Solving for variable 'e'.

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

Add '-12e' to each side of the equation.
-30 + 5e + -12e = -9 + 12e + -12e

Combine like terms: 5e + -12e = -7e
-30 + -7e = -9 + 12e + -12e

Combine like terms: 12e + -12e = 0
-30 + -7e = -9 + 0
-30 + -7e = -9

Add '30' to each side of the equation.
-30 + 30 + -7e = -9 + 30

Combine like terms: -30 + 30 = 0
0 + -7e = -9 + 30
-7e = -9 + 30

Combine like terms: -9 + 30 = 21
-7e = 21

Divide each side by '-7'.
e = -3

Simplifying
e = -3

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