Question

Y = x - 2
y = 3x + 4

Answer 1

A) y = x - 2

B) y = 3x + 4 multiplying A) by -3

A) -3y = -3x +6 then adding this to B)

B) y = 3x + 4

-2y = 10

y = -5

-5 = x -2

x = -3

Explanation:

Answer 2

How does it need solved? By graphing? Substitution?

Explanation: