Answer:
Step-by-step explanation:
Collect all variables in one side and numbers on the other side
7w-2w=-3-12
5w=-15
W=-15/5=-3
Start at -150, then add 3(-5), then add 122.2. -150 + 3(-5) + 122.2 = -45.3
Answer:
12-4√5
Step-by-step explanation:
(√10-√2)²
(√10-√2)(√10-√2)
Foil/distribute
10-√20-√20+2
12-2√20
12-2√4*√5
12-2*2√5
12-4√5
Answer:
27+4x
Step-by-step explanation:
First bracket :9×2-4×2+2x+3=18-8+2x+3,second bracket :answer =-1-6x+5 combine both and get :27+4x
Answer:
75
Step-by-step explanation:
a fifth of c is 15
75÷5=15
