Question

Solve for B. R = x(A + B)

Answer 1

Answer:

$b = \frac{r - ax}{x}$

Step-by-step explanation:

$r = x(a + b) \\ r = ax + bx \\ r - ax = bx \\ \frac{r - ax}{x} = b$

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Answer 2

Answer:

  B = R/x -A

Step-by-step explanation:

  $\text{Divide the equation by x:}\\\\\dfrac{R}{x}=A+B\\\\\text{Subtract A:}\\\\\dfrac{R}{x}-A = B\\\\\text{The solution is ...}\\\\\boxed{B=\dfrac{R}{x}-A}$