Answer:
21.42x+28.56
Step-by-step explanation:
Expand: 4.2×5.1×x+4.2×6.8
4.2×5.1×x to (21.42)x
Simplify: 21.42x+4.2×6.8
4.2×6.8 = 28.5628.56
21.42x+28.56
X= 1 x+5/2=1 which is x .10/2
Answer: -1
Step-by-step explanation:
Answer:
A.
Step-by-step explanation: