Question

anybody please help me :( I don’t know the answer ??

Answer 1

elimination means to get rid of one variable by altering the coefficients of variable (by multiplying and diving by some constant number)

in this case, if you just add the two equation, y gets cancelled you get 5x=20 or x=4

put it in any equation to get y (this works because both lines pass through the same point, so they must satisfy that point) to get y=2

Answer 2

Answer: (4,2)

Step-by-step explanation:

You can solve this systems of equation by substitution, graphing, and elimination

Solving by Elimination was found to be the easiest for me.

3x+2y=16

2x-2y=4

eliminate 2y because a positive and a negative will equal zero.

3x+2x=5x, 16+4=20

5x=20, divide 5 on both sides

x=4

Now we solve for y

You can plug in 4 for x in either equations

I did the first equation

3(4) +2y=16

3*4=12

12+2y=16

-12        -12

2y=4

divide 2 on both sides

y=2

Answer is (4,2)

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