21r+6=-7

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Solution for 21r+6=-7 equation: 


Simplifying
21r + 6 = -7

Reorder the terms:
6 + 21r = -7

Solving
6 + 21r = -7

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 + 21r = -7 + -6

Combine like terms: 6 + -6 = 0
0 + 21r = -7 + -6
21r = -7 + -6

Combine like terms: -7 + -6 = -13
21r = -13

Divide each side by '21'.
r = -0.619047619

Simplifying
r = -0.619047619

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