Answer:
1. n= -8
2. t= -11
3. p= -2
4. j= -4
5.w= -2.5 or -5/2
Explanation:
1. 5(n-4) = -60
Distribute:
5n-20 = -60
Add 20 to both sides:
5n = -40
Divide both sides by 5:
n= -8
2. -3t+-8 = 25
Add 8 to both sides:
-3t = 33
Divide both sides by -3:
t = -11
3. 7p-8 = -22
Add 8 to both sides:
7p = -14
Divide both sides by 7:
p = -2
4. 2/5 (j+40) = -4
Distribute:
2/5j + 80/5 = -4
Simplify:
2/5j + 16 = -4
Subtract 16 from both sides:
2/5j = -20
Divide both sides by 2/5:
j = -20/5
j = -4
5. 4 (w+1) = -6
Distribute:
4w+4 = -6
Subtract 4 from both sides:
4w = -10
Divide both sides by 4:
w = -10/4 (simplified form is -5/2)
w = -2.5