bx+cy=r

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Solution for bx+cy=r equation: 


Simplifying
bx + cy = r

Solving
bx + cy = r

Solving for variable 'b'.

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

Add '-1cy' to each side of the equation.
bx + cy + -1cy = -1cy + r

Combine like terms: cy + -1cy = 0
bx + 0 = -1cy + r
bx = -1cy + r

Divide each side by 'x'.
b = -1cx-1y + rx-1

Simplifying
b = -1cx-1y + rx-1

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