Answer:
15x^2−14xy−8y^2−x−y
Step-by-step explanation:
Combine like units.
Answer:
$5.36
Step-by-step explanation:
multiply 8 by .67
Answer: attached below
Step-by-step explanation:
Answer:
Step 1: Multiply the entire first equation by 2.
Step 2: Rewrite the system of equations, replacing the first equation with the new equation.
Step 3: Add the equations.
Step 4: Solve for x.
Step 5: Find the y-value by substituting in 3 for x in either equation.
Step 6: Identify the solution as an ordered pair.