10-2r=28

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Solution for 10-2r=28 equation: 


Simplifying
10 + -2r = 28

Solving
10 + -2r = 28

Solving for variable 'r'.

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

Add '-10' to each side of the equation.
10 + -10 + -2r = 28 + -10

Combine like terms: 10 + -10 = 0
0 + -2r = 28 + -10
-2r = 28 + -10

Combine like terms: 28 + -10 = 18
-2r = 18

Divide each side by '-2'.
r = -9

Simplifying
r = -9

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