Solve the equation 3x-2y =7, x+2y= -3
2 answers:
Answer:
x = 1
y = -2
Step-by-step explanation:
adding both quation we get
3x -2y + x + 2y =7 + -3
4x = 4
x = 1
substituting this equation in the earlier equation we get
3 * 1 -2y = 7
3 - 2y = 7
-2y = 4
y = -2
Answer:
Step-by-step explanation:
- 3x-2y =7
- x+2y= -3
- 4x=4
- x=4/4
- x=1
- 3x-2y=7
- 3(1)-2y=7
- 3-2y=7
- -2y=7-3
- -2y=4
- 2y=-4
- y=-4/2
- y= -2
- Verify solution
- x+2y= -3
- 1+2y= -3
- 2y=-3-1
- 2y= -4
- y= -4/2
- y= -2
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