-18=0.025r+12

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Solution for -18=0.025r+12 equation:


Simplifying
-18 = 0.025r + 12

Reorder the terms:
-18 = 12 + 0.025r

Solving
-18 = 12 + 0.025r

Solving for variable 'r'.

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

Add '-0.025r' to each side of the equation.
-18 + -0.025r = 12 + 0.025r + -0.025r

Combine like terms: 0.025r + -0.025r = 0.000
-18 + -0.025r = 12 + 0.000
-18 + -0.025r = 12

Add '18' to each side of the equation.
-18 + 18 + -0.025r = 12 + 18

Combine like terms: -18 + 18 = 0
0 + -0.025r = 12 + 18
-0.025r = 12 + 18

Combine like terms: 12 + 18 = 30
-0.025r = 30

Divide each side by '-0.025'.
r = -1200

Simplifying
r = -1200

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