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Nina Vaughn
Mathematics
2 September, 09:57
1.) Solve x - 9 = - 12
-) Solve 2t + 7 = - 1
+1
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2
)
Sonia Holloway
2 September, 10:00
0
1) x=3
2) t=-4
Step-by-step explanation:
x-9=-12
x=3
2t=-8
t=-4
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Madeline Woods
2 September, 10:00
0
x=-3; t=-4
Step-by-step explanation:
1) x - 9 = - 12
x=-12+9
x=-3
2.
2t + 7 = - 1
2t=-1-7
2t=-8
t=-4
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