-4(5+4r)=76

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Solution for -4(5+4r)=76 equation: 


Simplifying
-4(5 + 4r) = 76
(5 * -4 + 4r * -4) = 76
(-20 + -16r) = 76

Solving
-20 + -16r = 76

Solving for variable 'r'.

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

Add '20' to each side of the equation.
-20 + 20 + -16r = 76 + 20

Combine like terms: -20 + 20 = 0
0 + -16r = 76 + 20
-16r = 76 + 20

Combine like terms: 76 + 20 = 96
-16r = 96

Divide each side by '-16'.
r = -6

Simplifying
r = -6

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