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ANSWER THESE IN 15 MINS FOR A BRAINLIEST Solve each system by substitution


1) -4x+y=6
-5x=y=21

2) -7x-2y=-13
X-2y=11

3) -5x+y=-2
-3x+6y=-12

4) -5x+y=-3
3x-8y=24

5) -3x-4y-2
3x+3y=-3

6) -2x+6y=6
-7x+8y=-5

7)-5x-8y=17
2x-7y=-17

8) -2x-2y=-9
5x-2y=18


Sagot :

Answer:

I know this question and answer

1. The question is not clear there are 2 “=“ signs so i took it as a minus
The answer for that is x=-3, y=-6
2. X=3, y=-4
3. X=0, y=-2
4. X=0, y=-3
5. No “=“ in one of the equations
6. X=3, y=2
7. X=-5, y=1
8. X=27/7, y=9/14