What is the answer to y =8x + 5
1 answer:
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Answer:
The number of cupcake did Mary has 20.83
The number of cupcake did Paul has 104.15
Step-by-step explanation:
The total cupcakes to eat altogether = 125
Let The number of cupcake did Mary has = x
So The number of cupcake did Paul has = 5× x
So, According to question
The number of cupcake did Paul has + The number of cupcake did Mary has = 5× x + x
Or . 5×x + x = 125
Or, 6 x = 125
∴ x = = 20.83
The number of cupcake did Mary has = 20.83
The number of cupcake did Paul has = 5×x =5 × 20.83 = 104.15
Hence The number of cupcake did Mary has 20.83
The number of cupcake did Paul has 104.15 Answer
Step-by-step explanation:
System of Linear Equations entered :
[1] 2x-y=4 [2] y-x=4
Equations Simplified or Rearranged :
[1] 2x - y = 4 [2] -x + y = 4
Graphic Representation of the Equations :
y + 2x = 4 y - x = 4
Solve by Substitution :
// Solve equation [2] for the variable y
[2] y = x + 4
// Plug this in for variable y in equation [1]
[1] 2x - (x +4) = 4 [1] x = 8
// Solve equation [1] for the variable x
[1] x = 8
// By now we know this much :
x = 8 y = x+4
// Use the x value to solve for y
y = (8)+4 = 12
Solution :
{x,y} = {8,12}
