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can you write equation to model this?

i dont know how

what am i supposed to solve what equation

Do you want the equation or the answer?

i want the equation that im supposed to be solving in order to get the answer

is it system of equations?

oh okay, thanks anyway

i still need help if you all know

what am i supposed to e solving

x+(x+30)+(x+90)=180
3x+120=180
3x=180-120=60
x=?

20

correct.

now find the other angles.

x+30=?
x+90=?

50 and 110?

correct

can you help me with another problem please?

sure,i will try.

do i post it here or new post?

anywhere

wait so does it have infinite or no solutions

if k is 0 then infinite solutions
if k is non zero then no solution.

for A right

i think your problem want solutions with slope,
correct or not

he just wants us to state how many solutions each system of equations have

and why

i put A into the calculatior and it gave the ordered pair (8a/17,-15a/17)

2.
the lines are perpendicular so cut in only one point so only one solution
correct

wait what about A? it has one solution?

3.divide 1st eq. by 2 and 2nd by 3

how can i divide one equation by the other?

i am talking about 3rd question.

yeah

nevermind this question has got me so confused

thanks for your help tho

so a and b have only one solution and c has infinite?

a.
if k is non zero then no solution

okay

thanks so much

only b has one solution.

c has infinite solutions.

okay thank you

if k is non zero a has no solution.

yw

i am leaving now..Good night.

take care@surjithayer