Answer:
the addition properties of zero and multiplication properties of zero
Answer:
Q17: 160=4b+40
Q18: <u>-40</u> <u>-40</u>
Q19: 120=4b
Q20: /4 /4
Q21: 30=b
Q22: leave b blank
Q23:b = 30
Step-by-step explanation:
your welcome :) have a nice day
65 Bc absolute value of negative is positive
Answer:
4x - y = -3y = 5x
Write as a system
4x-y = 5x
-3y = 5x
Simplify the expressions
-x-y = 0
-5x-3y = 0
Multiply both sided by -5
5x + 5y = 0
-5x - 3y = 0
2y = 0
y = 0
Substitute the value of y into the equation
-x-0= 0
x=0
A possible solution is (x,y) = (0,0)
Answer:
3 1/2 hours
Step-by-step explanation:
84/24 = 3.5
