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 = 21
r = 21

Simplifying
r = 21

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