Answer:
x = 40
Step-by-step explanation:
x/10 = 4
Multiply each side by 10 to isolate x
x/10 *10 = 4*10
x = 40
8n+6 is equal to the phrase 6 more than the product of 8 and n
(4x - 8) = 80/2
4x - 8 = 40
4x = 48
x = 12
answer
x = 12
A= b*h / 2
(6.5)(3) / 2
19.5/2 = 9.75
Hope that helps...