3 years ago

What is 16+x=12 and -3x=15

2 answers:

5 0

-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

goblinko [34]3 years ago

5 0

Answer:

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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