Step-by-step explanation:
x-the initial number of coconuts
x=3y+1
2y=3z+1
2z=3×7+1=>z=11=>y=17=>x=52
I'm pretty sure it's -4x.
Answer:
(5x-1)^2=16
Step-by-step explanation:
X = total amount of people
80% of x = 540
.8x = 540
x = 675
There were 675 people
9514 1404 393
Answer:
No
Step-by-step explanation:
Put the value where the variable is and see if you get a true statement.
2(-4) -8 = -15
-8 -8 = -15 . . . . . . . false
-4 is <em>not a solution</em> to the equation
