7r+3b-3r-1b=

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Solution for 7r+3b-3r-1b= equation:


Simplifying
7r + 3b + -3r + -1b = 0

Reorder the terms:
3b + -1b + 7r + -3r = 0

Combine like terms: 3b + -1b = 2b
2b + 7r + -3r = 0

Combine like terms: 7r + -3r = 4r
2b + 4r = 0

Solving
2b + 4r = 0

Solving for variable 'b'.

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

Add '-4r' to each side of the equation.
2b + 4r + -4r = 0 + -4r

Combine like terms: 4r + -4r = 0
2b + 0 = 0 + -4r
2b = 0 + -4r
Remove the zero:
2b = -4r

Divide each side by '2'.
b = -2r

Simplifying
b = -2r

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