hoodykid25 hoodykid25
  • 23-06-2017
  • Mathematics
contestada

Lukas graphed the system of equations shown. 2x + 3y = 2 y = x + 3 What is the solution to the system of equations?

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tonb
tonb tonb
  • 23-06-2017
Rewrite the first equation to be in y=... form:

2x+3y=2
3y = 2-2x 
y = (2-2x)/3

Now you can equate it to the second (the y drops out):

(2-2x)/3 = x+3 
2/3 - 2/3x = x + 3
-5/3x = 7/3
x = - 7/5

so y = x+3 = -7/5 + 3 = 8/5

The intercept is at (-7/5, 8/5)
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1JayJay1
1JayJay1 1JayJay1
  • 09-08-2019

Answer: its (-2,2)

yeah its (-2,2)

Answer Link

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