Answer:18.375
Step-by-step explanation:8x/7+9=30
We simplify the equation to the form, which is simple to understand
8x/7+9=30
Simplifying:
+1.14285714286x+9=30
We move all terms containing x to the left and all other terms to the right.
+1.14285714286x=+30-9
We simplify left and right side of the equation.
+1.14285714286x=+21
We divide both sides of the equation by 1.14285714286 to get x.
x=18.375
Brainliest please :)