-6r+2(r+2)+-5=-20

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Solution for -6r+2(r+2)+-5=-20 equation:


Simplifying
-6r + 2(r + 2) + -5 = -20

Reorder the terms:
-6r + 2(2 + r) + -5 = -20
-6r + (2 * 2 + r * 2) + -5 = -20
-6r + (4 + 2r) + -5 = -20

Reorder the terms:
4 + -5 + -6r + 2r = -20

Combine like terms: 4 + -5 = -1
-1 + -6r + 2r = -20

Combine like terms: -6r + 2r = -4r
-1 + -4r = -20

Solving
-1 + -4r = -20

Solving for variable 'r'.

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

Add '1' to each side of the equation.
-1 + 1 + -4r = -20 + 1

Combine like terms: -1 + 1 = 0
0 + -4r = -20 + 1
-4r = -20 + 1

Combine like terms: -20 + 1 = -19
-4r = -19

Divide each side by '-4'.
r = 4.75

Simplifying
r = 4.75

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