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Dwayne Bolton
Mathematics
13 November, 22:36
Solve for x and y. 2y-7x=-9 and 4x+6=y
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Krista Hobbs
13 November, 22:44
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2y-7x=-9
Step1: Add - 2y to both sides
-7x+2y+-2y=-9+2y
-7x=-2y-9
Step 2: Divide both sides by - 7
-7x/7=-2y-9/7
x = 2/7y+9/7
(this is for the first equation)
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Mckayla Cantrell
13 November, 22:49
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2y-7x=-9
4x+6=y
2 (4x+6) - 7x=-9
8x-7x=-12-9
x=-21
y=4 (-21) + 6
y=-84+6
y=-78
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