Question

Q.2)The lines y = 4x – 10 and y = 7x + 11 intersect at​

Answer 1

Answer:

Solve by Substitution :

// Solve equation [2] for the variable y

[2] y = 7x + 6

// Plug this in for variable y in equation [1]

[1] (7x+6) - 4x = 5

[1] 3x = -1

// Solve equation [1] for the variable x

[1] 3x = - 1

[1] x = - 1/3

// By now we know this much :

y = 7x+6

x = -1/3

// Use the x value to solve for y

y = 7(-1/3)+6 = 11/3

Solution :

{y,x} = {11/3,-1/3}

Step-by-step explanation:

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