4. Find the value of x.
Help ;-;

Answer:
x=9
Step-by-step explanation:
84+7x+5=17x-1 solve for x on left side add 84+5= 90+7x
89+7x=17x-1 add l to the left side and subtract 7x from the right side
90=10x divide both sides by 10, x=9