Question

Using the elimination method to solve this system of equations problem 3x + 4y = 12 and -3x - 2y = 6, name its solution. *

Answer 1

Answer: x=-8 and y=9

Step-by-step explanation:

3x +4y=12 ( This can be equation 1)

-3x-2y=6 ( This can be equation 2)

Equation 1 + equation 2 = 2y=18

                                            y= 18÷2

                                            y=9

Substitute 9 for y in 3x+4=12

3x+4y=12

3x+4(9)=12

3x+36=12

3x= 12-36

3x=-24

x= -24÷3

x= -8

Therefore x=-8 and y=9

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