(-7)(1+r)=14

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Solution for (-7)(1+r)=14 equation: 


Simplifying
(-7)(1 + r) = 14
(1 * -7 + r * -7) = 14
(-7 + -7r) = 14

Solving
-7 + -7r = 14

Solving for variable 'r'.

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

Add '7' to each side of the equation.
-7 + 7 + -7r = 14 + 7

Combine like terms: -7 + 7 = 0
0 + -7r = 14 + 7
-7r = 14 + 7

Combine like terms: 14 + 7 = 21
-7r = 21

Divide each side by '-7'.
r = -3

Simplifying
r = -3

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