3r+7=15+2b

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Solution for 3r+7=15+2b equation:


Simplifying
3r + 7 = 15 + 2b

Reorder the terms:
7 + 3r = 15 + 2b

Solving
7 + 3r = 15 + 2b

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + -7 + 3r = 15 + -7 + 2b

Combine like terms: 7 + -7 = 0
0 + 3r = 15 + -7 + 2b
3r = 15 + -7 + 2b

Combine like terms: 15 + -7 = 8
3r = 8 + 2b

Divide each side by '3'.
r = 2.666666667 + 0.6666666667b

Simplifying
r = 2.666666667 + 0.6666666667b

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