2r+2(r+15)=375

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Solution for 2r+2(r+15)=375 equation:


Simplifying
2r + 2(r + 15) = 375

Reorder the terms:
2r + 2(15 + r) = 375
2r + (15 * 2 + r * 2) = 375
2r + (30 + 2r) = 375

Reorder the terms:
30 + 2r + 2r = 375

Combine like terms: 2r + 2r = 4r
30 + 4r = 375

Solving
30 + 4r = 375

Solving for variable 'r'.

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

Add '-30' to each side of the equation.
30 + -30 + 4r = 375 + -30

Combine like terms: 30 + -30 = 0
0 + 4r = 375 + -30
4r = 375 + -30

Combine like terms: 375 + -30 = 345
4r = 345

Divide each side by '4'.
r = 86.25

Simplifying
r = 86.25

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