SOLUTION: The numbers x and y satisfy the equations x(y+2)=100 and y(x+2)=60. What is the value of x - y? Please explain why you say so.
Algebra.Com
Question 978166: The numbers x and y satisfy the equations x(y+2)=100 and y(x+2)=60. What is the value of x - y? Please explain why you say so.
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Solve for one of the variables from one equation. Substitute this into the other equation. Solve for the single variable in this equation. Use the value to solve for the other variable.
Like Do This:
Reread what is discussed and try to see how the complex equation conforms to that discussion. Solve for x. You CAN do and understand this.
RELATED QUESTIONS
Let x and y be real numbers. Find the maximum value of (x + y)^2, if x and y satisfy x^2 (answered by CPhill,ikleyn,Edwin McCravy)
The real numbers x and y satisfy
x^2 + y^2 - 8x + 6y + 23 = 0.
Find the largest... (answered by CPhill,ikleyn,math_tutor2020)
How many real solutions (x,y) are there that satisfy the two equations
x^2 + y^2= 30... (answered by richwmiller)
explain why the graphs of y=x and y=(root x)^2 are not the... (answered by jim_thompson5910)
if x = y^2 and y = x^2, what is the least possible real value of x^2 + x + 1,
where x... (answered by richard1234)
For which of the following are x and y inversely proportional? EXPLAIN WHY.
1. y=4x... (answered by MathLover1)
One pair of integer values satisfy the equation x^2+y^2=100 is x=6 and y=8. Find pair of... (answered by stanbon,Cromlix)
How to get the x- and y-intercept and the horizontal and vertical asymptote(s) of these... (answered by josgarithmetic)
A. Explain why the graphs of y = sqrt{x^2} and y = | x | are the same.
B. Explain why... (answered by Solver92311)