-21r+14=100

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Solution for -21r+14=100 equation: 


Simplifying
-21r + 14 = 100

Reorder the terms:
14 + -21r = 100

Solving
14 + -21r = 100

Solving for variable 'r'.

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

Add '-14' to each side of the equation.
14 + -14 + -21r = 100 + -14

Combine like terms: 14 + -14 = 0
0 + -21r = 100 + -14
-21r = 100 + -14

Combine like terms: 100 + -14 = 86
-21r = 86

Divide each side by '-21'.
r = -4.095238095

Simplifying
r = -4.095238095

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