(-4r)(-30)-(-8)=

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Solution for (-4r)(-30)-(-8)= equation:


Simplifying
(-4r)(-30) + -1(-8) = 0

Remove parenthesis around (-4r)
-4r(-30) + -1(-8) = 0

Reorder the terms for easier multiplication:
-4 * -30r + -1(-8) = 0

Multiply -4 * -30
120r + -1(-8) = 0

Multiply -1 * -8
120r + 8 = 0

Reorder the terms:
8 + 120r = 0

Solving
8 + 120r = 0

Solving for variable 'r'.

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

Add '-8' to each side of the equation.
8 + -8 + 120r = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 120r = 0 + -8
120r = 0 + -8

Combine like terms: 0 + -8 = -8
120r = -8

Divide each side by '120'.
r = -0.06666666667

Simplifying
r = -0.06666666667

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