Multiply the first equation by 3 to give 9x + 15y = 21
If x equals 10 and y equals 10, then 9x plus 8y equals 170.
First write it out. 5y=9x+160 To get it into slope form, it must become the form y=mx+b. In other words, y must be by itself, so you divide every number by 5. It becomes: y=9/5x+32. So the slope is 9/5.
9x+27 = -81 9x = -81-27 9x = -108 x = -12
x + 20 + 10x = 20 + 9x 11x + 20 = 20 + 9x Subtract 20 from both sides: 11x = 9x Subtract 9x from both sides: 2x = 0 Divide both sides by 2: x = 0
11x + 5y
x = 2, y = 3
A: 11x = 5y + 80 B: 9x - 15y = 120 A: 11x - 5y = 80 B: 9x - 15y = 120 A: 11x - 5y = 80 B: 3x - 5y = 40 A - B: 8x = 40 x = 5 Now we can plug that value of x into one of the original equations to solve for y: 11(5) - 5y = 80 55 - 5y = 80 -5y = 25 y = -5
Multiply first equation by 3: 9x + 15y = 63Add that and second equation: 19y = 57Divide by 19: y = 3, so x = 2
(7x-3y) + (2x+5y) = 9x+2y
Multiply the first equation by 3 to give 9x + 15y = 21
If f(x)=(5x-1)/9 Then the inverse is x=(5y-1)/9 9x=5y-1 9x+1=5y (9x+1)/5=y The inverse is f(x)=(9x+1)/5
86
It can be simplified to: 9y-2x
Without an equality sign and not knowing the plus or minus value of 5y it is not an equation.
it equals 13X.
The slope is 0.