4(1-5r)=124

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Solution for 4(1-5r)=124 equation: 


Simplifying
4(1 + -5r) = 124
(1 * 4 + -5r * 4) = 124
(4 + -20r) = 124

Solving
4 + -20r = 124

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + -20r = 124 + -4

Combine like terms: 4 + -4 = 0
0 + -20r = 124 + -4
-20r = 124 + -4

Combine like terms: 124 + -4 = 120
-20r = 120

Divide each side by '-20'.
r = -6

Simplifying
r = -6

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