I believe it is the 4th one
Answer: -4
Step-by-step explanation:
2(-3)*2-(-3)+5= -4
1 oz = 0.0625 lbs or 1/16 lbs
1 lb = 16 oz
Hope I helped!
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