maryfitzgerald2019
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Solve the system using elimination.

3x + 3y = –9
3x – 3y = 21

Solve the system using elimination.

5x + 2y = –19
2x – 2y = –16

Solve the system using elimination.

2x + 3y = 1
2x – 3y = –17

Solve the system using elimination.

2x + 3y = –5
5x – 3y = 40

Solve the system using elimination.

x + 4y = 4
x – 4y = –12

Respuesta :

DynaMarie
1.)  6x=12
x=2
3(2)+3y=-9
6+3y=-9
3y=-3
y=-1
(2,-1)

2.) 7x=-35
x=-5
5x+2y=-19
5(-5)+2y=-19
-25+2y=-19
2y=-44
y=-22
(-5,-22)

3.) 4x=-16
x=-4
2(-4) +3y=1
-8+3y=1
3y=-7
y=-7/3
(-4,7/3)

4.)7x=35
x=5
2(5)+3y=-5
10+3y=-5
3y=5
y=5/3
(5,5/3)

5.) 2x=-8
x=-4

x+4y=4
-4+4y=4
4y=0
y=1
(-4,1)


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