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ki77a [65]
2 years ago
9

Make x the subject. help please

Mathematics
2 answers:
bezimeni [28]2 years ago
7 0

Answer:

x = \frac{N-2MP}{2M}

Step-by-step explanation:

3M = M + \frac{N}{P+x} ( subtract M from both sides )

2M = \frac{N}{P+x} ( multiply both sides by P + x to clear the fraction )

2M(P + x) = N ← distribute parenthesis on left side

2MP + 2Mx = N ( subtract 2MP from both sides )

2Mx = N - 2MP ( divide both sides by 2M )

x = \frac{N-2MP}{2M}

valkas [14]2 years ago
4 0

Answer:

\sf x = \dfrac{n - 2mp}{2m}

Step-by-step explanation:

              \sf 3m = m + \dfrac{n}{p + x}\\

        \sf 3m - m = \dfrac{n}{p +x}

                \sf 2m = \dfrac{n}{p +x}

Now cross multiply,

          2m*(p +x) = n

To open the parenthesis, multiply 2m by p and x.

        2mp + 2mx = n

 Isolate the term with variable 'x'

                    2mx = n - 2mp

Now, isolate 'x', by dividing both sides by 2m

                          \sf  x = \dfrac{n-2mp}{2m}                            

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