Bill has 50 pennies in his drawer he finds 4 more pennies on the floor and his brother gives him x times the amount of pennies he has.
4x + 5y = -13
2(4x + 5y) = 2(-13)
8x + 10y = -26 (equation 1)
5x - 2y = -8
5(5x - 2y) = 5(-8)
25x - 10y = -40 (equation 2)
equation 1 + equation 2,
(8x + 10y) + (25x - 10y) = (-26) + (-40)
8x + 10y + 25x - 10y = -26 + -40
33x = -66
x = -2
substitute x = -2 into equation 1,
8x + 10y = -26
8(-2) + 10y = -26
-16 + 10y = -26
10y = -10
y = -1
The values of x and y are -2 and -1 respectively.
Answer:
I think Athletics Hope this helps
Step-by-step explanation:
<span>Seven times a number minus the number is -48.
7x - x = -48
6x = -48
x = -48/6
x = -8
Answer is </span>a. the number is -8
Answer:
9x^3y^4 (first option)
Step-by-step explanation:
area=length x width
area and length is given. Insert the given values
36x^5y^7= 4x^2y^3 x width
width=36x^5y^7/4x^2y^3
answer= 9x^3y^4
