Question

Help Me Please its math >.<

1. What is the solution to the system of equations?
4x + y = 2
x - y = 3
( , )

2. What is the solution to the system of equations?
x = 4y + 6
x - 3y = 4
( , )

3. Solve the given system, using the substitution method.

y = 3x – 7
6x – 2y = 12

A.
There is no solution.

B.
(12, 14)

C.
(14, 12)

D.
There are an infinite number of solutions.

4. Solve the given system, using the substitution method.

y = 4x – 6
8x – 2y = 14


A.
(14, 12)

B.
(12, 14)

C.
There are an infinite number of solutions.

D.
There is no solution.

5. Solve, using the substitution method.

y + 2x = 7
14 – 4x = 2y

A.
The solution is (1, 5)

B.
The solution is (21, 0)

C.
There are an infinite number of solutions.

D.
There is no solution.

Answer 1

I can only do number 1 sorry :(
4x+y=2x-y what you have to do is sort the numbers into x and y so it becomes 4x - 2x = -y -y. (Remember when it crosses the = it becomes minus!) Then solve it to get 2x = -2y = 3 so x is 0.66 and y is -0.66 I guess?
I am probably wrong because I am not good at algebra but good at other stuff