1+(-7+r)=

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


Simplifying
1 + (-7 + r) = 0

Remove parenthesis around (-7 + r)
1 + -7 + r = 0

Combine like terms: 1 + -7 = -6
-6 + r = 0

Solving
-6 + r = 0

Solving for variable 'r'.

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

Add '6' to each side of the equation.
-6 + 6 + r = 0 + 6

Combine like terms: -6 + 6 = 0
0 + r = 0 + 6
r = 0 + 6

Combine like terms: 0 + 6 = 6
r = 6

Simplifying
r = 6

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