4(2r-5)=

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Solution for 4(2r-5)= equation: 


Simplifying
4(2r + -5) = 0

Reorder the terms:
4(-5 + 2r) = 0
(-5 * 4 + 2r * 4) = 0
(-20 + 8r) = 0

Solving
-20 + 8r = 0

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 + 8r = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 8r = 0 + 20
8r = 0 + 20

Combine like terms: 0 + 20 = 20
8r = 20

Divide each side by '8'.
r = 2.5

Simplifying
r = 2.5

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