Answer:
-1/2 or -.5
Step-by-step explanation:
2(n + 4) = 7
2n + 8 = 7
2n = -1
n = -1/2
2(3+g)-g=-4(g+1)
6+2g-g=-4g-4
6+g=4g-4
6+g+4g=-4
6+5g=-4
5g=-4-6
5g=-10
g=-10/5
g=-2
452 + 100 × 10 = 1452
There are many possible solutions. This is one of them.
27 mph or 27m/h
216/8 = 27