12-2e=7e+8

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Solution for 12-2e=7e+8 equation:


Simplifying
12 + -2e = 7e + 8

Reorder the terms:
12 + -2e = 8 + 7e

Solving
12 + -2e = 8 + 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 + -2e + -7e = 8 + 7e + -7e

Combine like terms: -2e + -7e = -9e
12 + -9e = 8 + 7e + -7e

Combine like terms: 7e + -7e = 0
12 + -9e = 8 + 0
12 + -9e = 8

Add '-12' to each side of the equation.
12 + -12 + -9e = 8 + -12

Combine like terms: 12 + -12 = 0
0 + -9e = 8 + -12
-9e = 8 + -12

Combine like terms: 8 + -12 = -4
-9e = -4

Divide each side by '-9'.
e = 0.4444444444

Simplifying
e = 0.4444444444

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