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Solve the system of equations by substitution.\newline−3x−y−2z=10-3x - y - 2z = 10\newlinex=−6x = -6\newlinex+2y+z=−14x + 2y + z = -14

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Q. Solve the system of equations by substitution.\newline−3x−y−2z=10-3x - y - 2z = 10\newlinex=−6x = -6\newlinex+2y+z=−14x + 2y + z = -14
  1. Divide total amount: Divide the total amount of tape needed by the amount of tape on each roll. 8,000 cm÷2,000 cm/roll=4 rolls8,000 \, \text{cm} \div 2,000 \, \text{cm/roll} = 4 \, \text{rolls}

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