-4[r+9]=-58

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Solution for -4[r+9]=-58 equation:


Simplifying
-4[r + 9] = -58

Reorder the terms:
-4[9 + r] = -58
[9 * -4 + r * -4] = -58
[-36 + -4r] = -58

Solving
-36 + -4r = -58

Solving for variable 'r'.

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

Add '36' to each side of the equation.
-36 + 36 + -4r = -58 + 36

Combine like terms: -36 + 36 = 0
0 + -4r = -58 + 36
-4r = -58 + 36

Combine like terms: -58 + 36 = -22
-4r = -22

Divide each side by '-4'.
r = 5.5

Simplifying
r = 5.5

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