-8=-(r+4)

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Solution for -8=-(r+4) equation:


Simplifying
-8 = -1(r + 4)

Reorder the terms:
-8 = -1(4 + r)
-8 = (4 * -1 + r * -1)
-8 = (-4 + -1r)

Solving
-8 = -4 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
-8 + r = -4 + -1r + r

Combine like terms: -1r + r = 0
-8 + r = -4 + 0
-8 + r = -4

Add '8' to each side of the equation.
-8 + 8 + r = -4 + 8

Combine like terms: -8 + 8 = 0
0 + r = -4 + 8
r = -4 + 8

Combine like terms: -4 + 8 = 4
r = 4

Simplifying
r = 4

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