50+r+4r=180

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Solution for 50+r+4r=180 equation: 


Simplifying
50 + r + 4r = 180

Combine like terms: r + 4r = 5r
50 + 5r = 180

Solving
50 + 5r = 180

Solving for variable 'r'.

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

Add '-50' to each side of the equation.
50 + -50 + 5r = 180 + -50

Combine like terms: 50 + -50 = 0
0 + 5r = 180 + -50
5r = 180 + -50

Combine like terms: 180 + -50 = 130
5r = 130

Divide each side by '5'.
r = 26

Simplifying
r = 26

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