4e+9=12e+18

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Solution for 4e+9=12e+18 equation:


Simplifying
4e + 9 = 12e + 18

Reorder the terms:
9 + 4e = 12e + 18

Reorder the terms:
9 + 4e = 18 + 12e

Solving
9 + 4e = 18 + 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.
9 + 4e + -12e = 18 + 12e + -12e

Combine like terms: 4e + -12e = -8e
9 + -8e = 18 + 12e + -12e

Combine like terms: 12e + -12e = 0
9 + -8e = 18 + 0
9 + -8e = 18

Add '-9' to each side of the equation.
9 + -9 + -8e = 18 + -9

Combine like terms: 9 + -9 = 0
0 + -8e = 18 + -9
-8e = 18 + -9

Combine like terms: 18 + -9 = 9
-8e = 9

Divide each side by '-8'.
e = -1.125

Simplifying
e = -1.125

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