4(7r-5)=180

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Solution for 4(7r-5)=180 equation: 


Simplifying
4(7r + -5) = 180

Reorder the terms:
4(-5 + 7r) = 180
(-5 * 4 + 7r * 4) = 180
(-20 + 28r) = 180

Solving
-20 + 28r = 180

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 + 28r = 180 + 20

Combine like terms: -20 + 20 = 0
0 + 28r = 180 + 20
28r = 180 + 20

Combine like terms: 180 + 20 = 200
28r = 200

Divide each side by '28'.
r = 7.142857143

Simplifying
r = 7.142857143

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