66=6-10r

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Solution for 66=6-10r equation:


Simplifying
66 = 6 + -10r

Solving
66 = 6 + -10r

Solving for variable 'r'.

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

Add '10r' to each side of the equation.
66 + 10r = 6 + -10r + 10r

Combine like terms: -10r + 10r = 0
66 + 10r = 6 + 0
66 + 10r = 6

Add '-66' to each side of the equation.
66 + -66 + 10r = 6 + -66

Combine like terms: 66 + -66 = 0
0 + 10r = 6 + -66
10r = 6 + -66

Combine like terms: 6 + -66 = -60
10r = -60

Divide each side by '10'.
r = -6

Simplifying
r = -6

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