7e+2=e-1

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Solution for 7e+2=e-1 equation: 


Simplifying
7e + 2 = e + -1

Reorder the terms:
2 + 7e = e + -1

Reorder the terms:
2 + 7e = -1 + e

Solving
2 + 7e = -1 + e

Solving for variable 'e'.

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

Add '-1e' to each side of the equation.
2 + 7e + -1e = -1 + e + -1e

Combine like terms: 7e + -1e = 6e
2 + 6e = -1 + e + -1e

Combine like terms: e + -1e = 0
2 + 6e = -1 + 0
2 + 6e = -1

Add '-2' to each side of the equation.
2 + -2 + 6e = -1 + -2

Combine like terms: 2 + -2 = 0
0 + 6e = -1 + -2
6e = -1 + -2

Combine like terms: -1 + -2 = -3
6e = -3

Divide each side by '6'.
e = -0.5

Simplifying
e = -0.5

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