Step-by-step explanation:

Multiply both sides of the second equation by 4. That will give you -4x in the second equation which when added to 4x of the first equation will eliminate x.
Second equation:
-x + 3y = 6
Multiply the second equation by 4 on both sides:
-4x + 12y = 26
Answer:240 inches
Step-by-step explanation:
Answer:

Step-by-step explanation:

