-3(5+e)=7

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Solution for -3(5+e)=7 equation: 


Simplifying
-3(5 + e) = 7
(5 * -3 + e * -3) = 7
(-15 + -3e) = 7

Solving
-15 + -3e = 7

Solving for variable 'e'.

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

Add '15' to each side of the equation.
-15 + 15 + -3e = 7 + 15

Combine like terms: -15 + 15 = 0
0 + -3e = 7 + 15
-3e = 7 + 15

Combine like terms: 7 + 15 = 22
-3e = 22

Divide each side by '-3'.
e = -7.333333333

Simplifying
e = -7.333333333

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