Help me now! PLEASE
Solve the following simultaneous equation using the substitution method:
Stacey Warren - Expert brainly.com
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replace y with x+2:
x+2 + 1 = 2x
well that the answer :) good luck
Help me with this one as well!
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i only know that one by elimination sorry
oh sorry i thought that it was a plus sign now thats possible
Help me? please? and quick?:S
take the second equation an make x the subject of the formula x=3/y
Afterwards replace the x value with 3/y to find y.
After finding y raka u then substitute y value on the secon equation to find x simple:)
Can you just do the whole just like Abermejo did on top? :S please?
x+y=3 tomake x the subject we have x=3-y
Now since 3x/8y=24
simplying this further we get
and then multiply by 9 both sides tog
the divide by 8 both sides
to get y^2=27
then take the sqrt both sides
to get your y as=5.196
Afterward u take this y value put it in the second equation to find ur x value x+y=3
please copy this down in ur paper for u to understand properly
feel free to ask any unclear thing
rika a u still there.sry I made a huge blander i thought that it was + was division sign again. y=3-x from second equation now take that y and replace it with the y on the first equation =3x+3-x=24
for your y
answer is apparently wrong :\
y is 3 and x is 0
there are many ways of killing a cat substitute my x and y valu on the second equation u`ll still get 3 10+(-7.5)=3