121=10r

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Solution for 121=10r equation:


Simplifying
121 = 10r

Solving
121 = 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.
121 + -10r = 10r + -10r

Combine like terms: 10r + -10r = 0
121 + -10r = 0

Add '-121' to each side of the equation.
121 + -121 + -10r = 0 + -121

Combine like terms: 121 + -121 = 0
0 + -10r = 0 + -121
-10r = 0 + -121

Combine like terms: 0 + -121 = -121
-10r = -121

Divide each side by '-10'.
r = 12.1

Simplifying
r = 12.1

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