HELP PLEASE ? ILL MEDAL
What are the missing values?
-2x + 5y = -12
-6x + ____ y = ____
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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?
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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?
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OpenStudy (skullpatrol):
Do you recall the multiplication property of equality ie if a = b then ca = cb.