Question

Please help. Solve the following system of linear equations by substitution. Show all work.

Y= -2
4x -3y=18

Answer 1

The solution (3, -2).

Explanation:

The easiest way to find this solution is inputting these two equations into Desmos Graphing Calculator!

Answer 2

x = 3,y = -2

Explanation:

Given data:

Y= -2

4x -3y=18

Solve:

Substitute the given y-value into 4x−3y=18 and solve for x

Since, y = -2,

`4x-3(-2)=18`

`4x+6=18`

`4x+6-6=18-6`

`4x=12`

`(4x)/(4)=(12)/(4)`

`x = 3`

The solution to the system of equations is x = 3, y = -2

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