Answer:


Step-by-step explanation:
Given system of equations:

To solve by the method of substitution, substitute the first equation into the second equation and rearrange so that the equation equals zero:

Factor the quadratic:

Apply the <u>zero-product property</u> and solve for x:


Substitute the found values of x into the <u>second equation</u> and solve for y:


Therefore, the solutions are:


Answer:
Answer=C
Step-by-step explanation:
Answer:
he gave them 12 extra
Step-by-step explanation:
12-24 is 12
Answer:
162
Step-by-step explanation:
just multiply 18x9
7) y = 4x
8) y = 7x/8
9) y = 25x/3
I think this are the answers.