2r+100+(r+25)+115=360

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Solution for 2r+100+(r+25)+115=360 equation: 


Simplifying
2r + 100 + (r + 25) + 115 = 360

Reorder the terms:
2r + 100 + (25 + r) + 115 = 360

Remove parenthesis around (25 + r)
2r + 100 + 25 + r + 115 = 360

Reorder the terms:
100 + 25 + 115 + 2r + r = 360

Combine like terms: 100 + 25 = 125
125 + 115 + 2r + r = 360

Combine like terms: 125 + 115 = 240
240 + 2r + r = 360

Combine like terms: 2r + r = 3r
240 + 3r = 360

Solving
240 + 3r = 360

Solving for variable 'r'.

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

Add '-240' to each side of the equation.
240 + -240 + 3r = 360 + -240

Combine like terms: 240 + -240 = 0
0 + 3r = 360 + -240
3r = 360 + -240

Combine like terms: 360 + -240 = 120
3r = 120

Divide each side by '3'.
r = 40

Simplifying
r = 40

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