8x + 5 = 3x + 15
8x - 3x = 15 - 5 (put same kinds of number on one side and change the signs)
5x = 10 (simplify)
5x/5 = 10/5 (simplify)
x = 2 (answer)
hope this helps
Answer:
ab=9 and ac=12
Step-by-step explanation:
KE=0.5xmxv2
=0.5x 1.2x10^3x (3.4x10^3)^2=6936000000
