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Mathematics 9 Online
OpenStudy (anonymous):

HELP PLEASE ? ILL MEDAL What are the missing values? -2x + 5y = -12 -6x + ____ y = ____

OpenStudy (anonymous):

We need more information.

OpenStudy (anonymous):

It say that the system of equations is coincident and they asking for the missing values @greenlegodude57

OpenStudy (anonymous):

-6 / -2 = ?

OpenStudy (anonymous):

Multiply that value^^ to the rest of the numbers.

OpenStudy (skullpatrol):

What does "coincident" mean?

OpenStudy (skullpatrol):

Do you have a definition @jayonna15?

OpenStudy (anonymous):

you do not need more information. Solve for x or y, which ever one is easier, then plug that value in the parentheses and solve for the next variable and you will have your answers for x and y.

OpenStudy (anonymous):

Two lines or shapes that lie exactly on top of each other @skullpatrol

OpenStudy (skullpatrol):

Good. How does that apply to equations?

OpenStudy (skullpatrol):

Math is learned by applying definitions to problems. So -2x + 5y = -12 can be called your "original equation, right?

OpenStudy (skullpatrol):

Do you recall the multiplication property of equality ie if a = b then ca = cb.

OpenStudy (skullpatrol):

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