First one simplifies to 2x + 6 = 2x + 7 which can't be true so this one has No Solution.
Same applies to the second equation ( 5x + 15 = 5x - 15) No solution
also the last one has no solution because it simplifies to 4x + 20 = 4x + 19
Answer:
Answer choice B.
Step-by-step explanation:
Remember the 3:4:5 rule.
Distance = rate x time
D = 450 mph x 2.5 h
D = 1,125 miles
Answer:
10
Step-by-step explanation:
add 6a and 5a and get 11a
then:
11a=-11
a=-1