1+5e+2e=78

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Solution for 1+5e+2e=78 equation: 


Simplifying
1 + 5e + 2e = 78

Combine like terms: 5e + 2e = 7e
1 + 7e = 78

Solving
1 + 7e = 78

Solving for variable 'e'.

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

Add '-1' to each side of the equation.
1 + -1 + 7e = 78 + -1

Combine like terms: 1 + -1 = 0
0 + 7e = 78 + -1
7e = 78 + -1

Combine like terms: 78 + -1 = 77
7e = 77

Divide each side by '7'.
e = 11

Simplifying
e = 11

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