-10+5r=-7-12-1

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Solution for -10+5r=-7-12-1 equation: 


Simplifying
-10 + 5r = -7 + -12 + -1

Combine like terms: -7 + -12 = -19
-10 + 5r = -19 + -1

Combine like terms: -19 + -1 = -20
-10 + 5r = -20

Solving
-10 + 5r = -20

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 + 5r = -20 + 10

Combine like terms: -10 + 10 = 0
0 + 5r = -20 + 10
5r = -20 + 10

Combine like terms: -20 + 10 = -10
5r = -10

Divide each side by '5'.
r = -2

Simplifying
r = -2

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