Answer:
Step-by-step explanation:
15 - x = 3x + 3
15 - x = 3•x + 3
4x = 12
x = 3
Sorry, I change the b and a into x's if that's fine with you.
Answer:
Do 5x5 4 times
Step-by-step explanation:
2/9 + 1/3 + 2/3
2/9 + 3/9 + 6/9
(2 + 3 + 6) /9
11/9
The answer would be 2x^2+2x-24
using foil, you would multiply together x & x, x & 6, -4 & x, and -4 & 6, then add them together.