3.12=-r-11

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Solution for 3.12=-r-11 equation:


Simplifying
3.12 = -1r + -11

Reorder the terms:
3.12 = -11 + -1r

Solving
3.12 = -11 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
3.12 + r = -11 + -1r + r

Combine like terms: -1r + r = 0
3.12 + r = -11 + 0
3.12 + r = -11

Add '-3.12' to each side of the equation.
3.12 + -3.12 + r = -11 + -3.12

Combine like terms: 3.12 + -3.12 = 0.00
0.00 + r = -11 + -3.12
r = -11 + -3.12

Combine like terms: -11 + -3.12 = -14.12
r = -14.12

Simplifying
r = -14.12

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