1+r=-7

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Solution for 1+r=-7 equation: 


Simplifying
1 + r = -7

Solving
1 + r = -7

Solving for variable 'r'.

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

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

Combine like terms: 1 + -1 = 0
0 + r = -7 + -1
r = -7 + -1

Combine like terms: -7 + -1 = -8
r = -8

Simplifying
r = -8

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