Answer:
Value of X is –5
Step by step explanation:-
2x – 3 + 3x = – 28
=> 5x = –28 + 3
=> 5x = –25
=> x = –25/5
=> x = –5
Answer:
2.05 × 10⁷
Step-by-step explanation:
0.000000205
We'll move the decimal point after the first non-zero digit (as per the scientific notation rules) and the standard form would be :
=> 2.05 × 10⁷
If x is the price before a sale
x-0.15x=x-3
0.85x=x-3
3=0.15x
x=20
The original price is $20