1.) 5
2.) 9
3.) 1/2
4.) 0.5
5.) 1
6.) -8
<span>constant sum = 4 + 5 = 9</span>
Answer:
2y = 3x + 21
y = 1.5x + 10.5
plug in, in the second equation
- 4x + (1.5x + 10.5) = 23
-4x + 1.5x + 10.5 = 23
-2.5x + 10.5 = 23
-2.5x = 12.5
x = 12.5/-2.5 = -5
y = 1.5 (-5) + 10.5 = 3
x = -5
y = 3
The answer to this is 1/2 of a meter long.
The answer is 1 because 1×1=1
