15=7x+3-5x
15= 7x-5x + 3
15 = 2x + 3
-3 + 15 = 2x
12=2x
12/2 = 2x/2
6=x
Answer:
1. 60z, 36
2. 96a, 88
Step-by-step explanation:
1.
First, find the like terms for z. (60z)
Second, find the like terms for 20, 4, and 12. (36)
2.
Combine the 88a and 8a (96a)
Then combine 8 plus 80 (88)
Well then multiply 400 x 142 and get your answer of 56,800
Answer:
No, you've already proven it's not irrational by writing it as 6/3. You get 2.
Step-by-step explanation:
An irrational number is any number that cannot be written as a fraction.