7=3r+3(b+5)

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Solution for 7=3r+3(b+5) equation:


Simplifying
7 = 3r + 3(b + 5)

Reorder the terms:
7 = 3r + 3(5 + b)
7 = 3r + (5 * 3 + b * 3)
7 = 3r + (15 + 3b)

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

Solving
7 = 15 + 3b + 3r

Solving for variable 'b'.

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

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

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

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

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

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

Divide each side by '-3'.
b = -2.666666667 + -1r

Simplifying
b = -2.666666667 + -1r

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