Question

**ILL MARK BRAINLESS IF YOUR ANSWER IS CORRECT* what is the first step to solve the following system of equation using substitution

3x+y=15
5x-3y=11

A:Add the two equations together
B:Solve the first equation
C:Multiply the first equation by 3
D:Divide the second equation by 3​

Answer 1

B

Explanation:

not A

Yes B

Not C

Not D

Answer 2

Step 1 : First, solve one linear equation for y in terms of x .

The answer would be B. Solve the first equation.

Explanation:

Step 1 : First, solve one linear equation for y in terms of x . Step 2 : Then substitute that expression for y in the other linear equation. You'll get an equation in x . Step 3 : Solve this, and you have the x -coordinate of the intersection.