4(-5+r)=4

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


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

Solving
-20 + 4r = 4

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 + 4r = 4 + 20

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

Combine like terms: 4 + 20 = 24
4r = 24

Divide each side by '4'.
r = 6

Simplifying
r = 6

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