Subtract 5x from both sides, 7x+2=-26, subtract 2 from both sides, 7x=-28, divide both sides by 7, x=-4
8 is (7+4)/(7+4+5+9) = 11/25 = 0.44
9 is 5/(5+7) = 5/12 = 0.417 so I'm sorry I can't help with that one
B) In triangles ABC and ABD, one side and one common angle are equal
Answer:
variable = s
sum = 10
product = 20
i dont know the last one
brainlest please
Step-by-step explanation: