anonymous
  • anonymous
Solve the system by using a table. system (1 point) (–4, –3) (–3, –4) (4, 3) (3, 4)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
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anonymous
  • anonymous
I need help solving for y please! :)
anonymous
  • anonymous
solve for 4x in the top equation and substitute that in to the second equation

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anonymous
  • anonymous
I need to get two y=mx+ b equations, so i can graph them. i'm doing the equation wrong.
anonymous
  • anonymous
Oh sure, that's another way. Just solve for y in both equations then. In the top one, divide by 3 on both sides. In the bottom one, add 4x on both sides then divide by -4 on both sides.
anonymous
  • anonymous
Do you divide both the slope and b/y intercept by the -4 and 3?
phi
  • phi
for the 1st equation 3y= 4x+7 divide both sides by 3 (that means all terms are divided by 3) \[ \frac{\cancel{3}y}{\cancel{3}}= \frac{4x+7}{3} \] \[ y= \frac{4}{3}x + \frac{7}{3} \]
phi
  • phi
for the 2nd equation, first add +4x to both sides then divide both sides by -4
anonymous
  • anonymous
That's what i got, but i started pluging number in to get one of the options, nothing worked...
anonymous
  • anonymous
could you please try plugging numbers in to find one of the options at the top? or give me numbers to plug in please?
phi
  • phi
ok, but first, what did you get for the 2nd equation?
anonymous
  • anonymous
y=-1x+7
phi
  • phi
how did you get that?
anonymous
  • anonymous
by adding -4x to the other side, then dividing by -4; y=4x+28/-4; y=-1+7
phi
  • phi
looks good except 28/-4 is not +7 you should get y= -1x - 7
anonymous
  • anonymous
ahhhhhhhhhhhhhhhhhhhhhhhhh.
anonymous
  • anonymous
but how do i get one of the options above? like what numbers should i put in the equations????
phi
  • phi
you have 2 equations y= (4/3)x + 7/3 and y = -x -7 one way to find where they meet is sketch the lines to get an idea where they cross or pick some numbers for x and find y
anonymous
  • anonymous
gahhhhhhhhhhhhhhhhhhhhh, i tried that, for some reason it's not workingg:(

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