-r-2(5r+5)=-54

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Solution for -r-2(5r+5)=-54 equation:


Simplifying
-1r + -2(5r + 5) = -54

Reorder the terms:
-1r + -2(5 + 5r) = -54
-1r + (5 * -2 + 5r * -2) = -54
-1r + (-10 + -10r) = -54

Reorder the terms:
-10 + -1r + -10r = -54

Combine like terms: -1r + -10r = -11r
-10 + -11r = -54

Solving
-10 + -11r = -54

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 + -11r = -54 + 10

Combine like terms: -10 + 10 = 0
0 + -11r = -54 + 10
-11r = -54 + 10

Combine like terms: -54 + 10 = -44
-11r = -44

Divide each side by '-11'.
r = 4

Simplifying
r = 4

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