Solve the system of equations below using the substitution method. {[x=2y+11],[-7x-2y=-13]:} Show all work, make sure to write your final answer.

Identify Total Amount: Identify the total amount of electrical tape needed and the amount of tape on each roll. Total amount of electrical tape needed: 8,000 cm Amount of tape on each roll: 2,000 cmDetermine Rolls Needed: Determine the number of rolls needed by dividing the total amount of tape needed by the amount of tape on each roll. Number of rolls needed = Total amount of tape needed ÷ Amount of tape on each roll Number of rolls needed = 8,000 cm ÷ 2,000 cmPerform Division: Perform the division to find the number of rolls. Number of rolls needed = 8,000 cm ÷ 2,000 cm = 4

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Solve the system of equations below using the substitution method.
{[x=2y+11],[-7x-2y=-13]:}
Show all work, make sure to write your final answer.

Solve the system of equations below using the substitution method. $\newline$ $\left\{\begin{array}{l}x=2 y+11 \\ -7 x-2 y=-13\end{array}\right.$ $\newline$ Show all work, make sure to write your final answer.

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Math Problems

Grade 8

Write variable expressions for arithmetic sequences

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Q. Solve the system of equations below using the substitution method.

\newline

\left\{\begin{array}{l}x=2 y+11 \\ -7 x-2 y=-13\end{array}\right.

\newline

Show all work, make sure to write your final answer.

Identify Total Amount: Identify the total amount of electrical tape needed and the amount of tape on each roll. $\newline$ Total amount of electrical tape needed: $8,000\,\text{cm}$ $\newline$ Amount of tape on each roll: $2,000\,\text{cm}$
Determine Rolls Needed: Determine the number of rolls needed by dividing the total amount of tape needed by the amount of tape on each roll. $\newline$ Number of rolls needed $= \frac{\text{Total amount of tape needed}}{\text{Amount of tape on each roll}}$ $\newline$ Number of rolls needed $= \frac{8,000 \, \text{cm}}{2,000 \, \text{cm}}$
Perform Division: Perform the division to find the number of rolls. $\newline$ Number of rolls needed = $8,000\,\text{cm} \div 2,000\,\text{cm} = 4$