r-(-7)=14

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


Simplifying
r + -1(-7) = 14

Multiply -1 * -7
r + 7 = 14

Reorder the terms:
7 + r = 14

Solving
7 + r = 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 + r = 14 + -7

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

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

Simplifying
r = 7

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