Answer:
?=19
x=30
Step-by-step explanation:
5/6x - 1/5x = 19
5(5/6x) - 6(1/5x) = 19
25/30x-6/30x=19
19/30x=19
19x=19(30)
19x=570
x= 570/19
x=30
Answer:
5(6)+3(4.5)- 6(2)= 31.5
Step-by-step explanation:
Step-by-step explanation:
y=-2x²-25x+10
=x²+25/2x-5