21e-7=161

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Solution for 21e-7=161 equation: 


Simplifying
21e + -7 = 161

Reorder the terms:
-7 + 21e = 161

Solving
-7 + 21e = 161

Solving for variable 'e'.

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

Add '7' to each side of the equation.
-7 + 7 + 21e = 161 + 7

Combine like terms: -7 + 7 = 0
0 + 21e = 161 + 7
21e = 161 + 7

Combine like terms: 161 + 7 = 168
21e = 168

Divide each side by '21'.
e = 8

Simplifying
e = 8

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