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| Math Central | Quandaries & Queries |
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Question from CAMEILA, a student: NEED T0 SOVE THIS EQUATION Y = -2X + 6 |
Hi Cameila.
If Y = -2X + 6, then let's replace Y in the second equation with -2X + 6. They're equal, after all, so we should be able to substitute one for the other.
Y + 6 = 2X
becomes
(-2X + 6) + 6 = 2X
Now can you solve for X and use that to find Y?
Cheers,
Stephen La Rocque.
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