You basically would use how long they are. If you had a strip of 1/2 and a strip of 3/4... with blocks they wouldn't be the same length. The 3/4 blocks would be greater.
However if you matched a 1/2 strip with a 3/6 strip, you can see that they are the same length and are equivalent.
Of course their is a way to do it mathematically but let me know if you want to see that.
-4x+3+2x-6
The answer is -2x-3
Answer:
14
Step-by-step explanation:
Answer:
21
Step-by-step explanation:
y = 3x + 9
y = -3x + 12
y=21
Less than 2 = z < 2
Less than or equal to 8 = z ≤ 8
z ≤ 8
z < 2
