First step: multiply the 5(x3) and it will give you x15 or most commonly written as 15x. you should now have 15x-(-20).
Second step: since you cannot subtract -20 from 15x because it has a variable, the final answer is just 15x-(-20), or 15x+20.
B * 3 < 140
B being the number of books Frank owns. Because tripling the amount of books he owns is still less than the amount of book Emily owns, b*3 has to be less than 140
Answer:
Step-by-step explanation:
x is positive and y is negative
The range of a function is all possible output, or y, values. The domain is all possible input, or x, values.
I case of y = x , domain and range are real number.
Like terms:
1.4c, -2c, -7.3c
11.4 has no like terms
