(b-1)m=r

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Solution for (b-1)m=r equation:


Simplifying
(b + -1) * m = r

Reorder the terms:
(-1 + b) * m = r

Reorder the terms for easier multiplication:
m(-1 + b) = r
(-1 * m + b * m) = r

Reorder the terms:
(bm + -1m) = r
(bm + -1m) = r

Solving
bm + -1m = r

Solving for variable 'b'.

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

Add 'm' to each side of the equation.
bm + -1m + m = m + r

Combine like terms: -1m + m = 0
bm + 0 = m + r
bm = m + r

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

Simplifying
b = 1 + m-1r

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