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Galina-37 [17]
1 year ago
7

2x+y-3z by y+3x =x by 2y. Find the value of z when x=1 and y=4

Mathematics
2 answers:
Lilit [14]1 year ago
3 0

Answer:

\mathsf {z = \frac{41}{24}}

Step-by-step explanation:

\textsf {Given :}

\mathsf {\frac {2x + y - 3z}{y + 3x} = \frac{x}{2y} }

\textsf {Substituting the values given (x = 1, y = 4) :}

\mathsf {\frac {2(1) + 4 - 3z}{4 + 3(1)} = \frac{1}{2(4)} }

\mathsf {\frac {6 - 3z}{7} = \frac{1}{8} }

\textsf {Cross multiply the values :}

\mathsf {8(6 - 3z) = 7}

\mathsf {48 - 24z = 7}

\mathsf {24z = 41}

\mathsf z = {\frac{41}{24}}

Lostsunrise [7]1 year ago
3 0

Answer:

z=\dfrac{41}{24}

Step-by-step explanation:

Given equation:

\dfrac{2x + y - 3z}{y + 3x} = \dfrac{x}{2y}

Given:

  • x=1
  • y=4

Substitute the given values of x and y into the given equation:

\implies \dfrac{2(1) + 4 - 3z}{4 + 3(1)} = \dfrac{1}{2(4)}

\implies \dfrac{6-3z}{7}=\dfrac{1}{8}

Cross multiply:

\implies 8(6-3z)=7

Expand the brackets:

\implies 48-24z=7

Subtract 48 from both sides:

\implies -24z=-41

Divide both sides by -24:

\implies z=\dfrac{41}{24}

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