Answer:
do the pemdas
p=()
e=X^x
md= multiply then devide
as= add then subtract
Step-by-step explanation:
y=3x^2+9x-18
y=9x+9x-18
18x-18=y
2 - 5x = -13
-2 -2
---------------
-5x = -15
/-5 /-5
-------------
x = 3
Hope this helps!
Answer:
I'm just doing thifor points trooolls
Step-by-step explanation:
nxnxnxnxmxkx
5x + 55 = 2x + 100
3x = 45
x = 15
plug 15 into
5(15) + 55
75 + 55 = 130
130 + angle 2 = 180
angle 2 = 50
"seven times a number" =7x
"difference"= -
"three times a number" = 3x so
7x-3x
