(7e-2)-(3e+6)=8

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Solution for (7e-2)-(3e+6)=8 equation:


Simplifying
(7e + -2) + -1(3e + 6) = 8

Reorder the terms:
(-2 + 7e) + -1(3e + 6) = 8

Remove parenthesis around (-2 + 7e)
-2 + 7e + -1(3e + 6) = 8

Reorder the terms:
-2 + 7e + -1(6 + 3e) = 8
-2 + 7e + (6 * -1 + 3e * -1) = 8
-2 + 7e + (-6 + -3e) = 8

Reorder the terms:
-2 + -6 + 7e + -3e = 8

Combine like terms: -2 + -6 = -8
-8 + 7e + -3e = 8

Combine like terms: 7e + -3e = 4e
-8 + 4e = 8

Solving
-8 + 4e = 8

Solving for variable 'e'.

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

Add '8' to each side of the equation.
-8 + 8 + 4e = 8 + 8

Combine like terms: -8 + 8 = 0
0 + 4e = 8 + 8
4e = 8 + 8

Combine like terms: 8 + 8 = 16
4e = 16

Divide each side by '4'.
e = 4

Simplifying
e = 4

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