5[e+7]=20

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Solution for 5[e+7]=20 equation: 


Simplifying
5[e + 7] = 20

Reorder the terms:
5[7 + e] = 20
[7 * 5 + e * 5] = 20
[35 + 5e] = 20

Solving
35 + 5e = 20

Solving for variable 'e'.

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

Add '-35' to each side of the equation.
35 + -35 + 5e = 20 + -35

Combine like terms: 35 + -35 = 0
0 + 5e = 20 + -35
5e = 20 + -35

Combine like terms: 20 + -35 = -15
5e = -15

Divide each side by '5'.
e = -3

Simplifying
e = -3

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