4(r-18)=-8

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Solution for 4(r-18)=-8 equation: 


Simplifying
4(r + -18) = -8

Reorder the terms:
4(-18 + r) = -8
(-18 * 4 + r * 4) = -8
(-72 + 4r) = -8

Solving
-72 + 4r = -8

Solving for variable 'r'.

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

Add '72' to each side of the equation.
-72 + 72 + 4r = -8 + 72

Combine like terms: -72 + 72 = 0
0 + 4r = -8 + 72
4r = -8 + 72

Combine like terms: -8 + 72 = 64
4r = 64

Divide each side by '4'.
r = 16

Simplifying
r = 16

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