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Mathematics 21 Online
OpenStudy (anonymous):

15(2x+3)=2y+3 ,Solve for y

OpenStudy (danjs):

30x+45 = 2y + 3

OpenStudy (danjs):

2y=30x+42

OpenStudy (danjs):

y=15x+21

OpenStudy (cheerleader):

you cant give anwers out you need to show them how you did it @DanJS

OpenStudy (danjs):

i just wrote every step down

OpenStudy (anonymous):

thank u DanJS

OpenStudy (anonymous):

i know >.< cheerleader is still asleep

OpenStudy (anonymous):

Is this solving for polynomials?

OpenStudy (triciaal):

@Immabee55 no changing the subject of the equation. cannot solve a one linear equation with 2 unknowns

OpenStudy (anonymous):

@triciaal what does that suppose 2 mean

OpenStudy (triciaal):

@DanJS next time explain your steps or check to make sure the "poster" has no questions

OpenStudy (triciaal):

@Palencia_07 you have 2 unknowns in one equation example 2 oranges and 1 banana together cost $4.00 how do you know how much one orange cost without knowing the cost of the 2 oranges or the cost of one banana?

OpenStudy (triciaal):

to solve you would need 2 equations to solve for 2 unknowns

OpenStudy (anonymous):

oooh ok :3

OpenStudy (danjs):

you can solve for y in terms of x

OpenStudy (danjs):

y = f(x) y is a function of x

OpenStudy (danjs):

as i did at the start

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