Answer:
Step-by-step explanation:
2x-3= 12
+3 +3
2x = 15
/2 /2
x= 7.5
1. y 1.2y are like terms
Choice A
2. 2 + 17x-5x+9 =
11+12x
12x+11
Choice B
3. 3(5y+6)-4
15y+18-4
15y+14
Choice C
4. 81-27p
27(3-p)
