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Mathematics
Hailie Ruiz
18 August, 08:08
What is 16+x=12 and - 3x=15
+5
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2
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Dominique Bean
18 August, 09:02
0
1. x=-4
2. x=-5
Step-by-step explanation:
16+x=12
Subtract 16 from each side
16+x-16 = 12-16
x = - 4
-3x=15
Divide each side by - 3
-3x/-3 = 15/-3
x = - 5
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Roberto Miller
18 August, 10:07
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-4 and - 5
because to get 16 to 12 you have to subtract 4 but it wants you to add so you put a negative sign infront of it.
and a negative multiply by a negative equals a positive so - 3*-5=15
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