1,200 because 4x 3 is 12 and 40 x 30=1,200
2. x =(6+√20)/-8=3/-4-1/4√ 5 = -1.309
Answer:
t = 5
Step-by-step explanation:

Subtract 19 from 39
Divide by 4
Answer:
-115/69
Step-by-step explanation:
12(6x + 10) + x = 9x + 5(1 - x)
72x + 120 + x = 9x + 5 - 5x
73x + 120 = 4x + 5
69x = 5 - 120
69x = -115
x = -115/69