Answer:
X = 3
Step-by-step explanation:
Given the expression :7x - 3 = 18
To obtain the solution set ; we solve for X in the equation ;
7x - 3 = 18
Add 3 to both sides
7x - 3 + 3 = 18 + 3
7x = 21
Divide both sides by 7
7x / 7 = 21 / 7
x = 3
Hence, x = 3
I hope you find the answer!!
Answer:
B 2 2/3
Step-by-step explanation:
Triangles ADB and CDB are similar. Therefore similar parts can form a proportion.
AD/DB = DB/DC
AD = ?
DB = 4
DC = 6
x/4 = 4/6 Cross multiply
6x = 16
6x/6 = 16/6
x = 2 4/6 or x = 2 2/3
It's B
Answer:
y = 5x + 19
Step-by-step explanation:
y = 5x + b
4 = 5(-3) + b
4 = -15 + b
19 = b