What is 7 minus negative 1

2 answers:

mylen [45]3 years ago

7 0

The answer is 8. The two negatives cancel each other out.

3 0

7--1=7+1= 8

two negatives make a positive

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nadya68 [22]

-466820 sorry perdone

8 0

3 years ago

Zolol [24]

Answer
t3/b=x
Step by step explanation
t = bx/3
Take b/3 to the left hand side
= x = 3t/b
Hope it helped !!
Comment below

7 0

3 years ago

Anton [14]

3x + 1 = (x-1)^2
3x + 1 = x^2 - 2x + 1
0 = x^2 -5x
0 = x(x-5)
x = 0,5

Hope this helps!
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4 0

3 years ago

Aleksandr-060686 [28]

Answer: a: 8.25 b: 49.5

Step-by-step explanation:

7 0

3 years ago

nadezda [96]

Answer:

x=1

Step-by-step explanation:

if it is truly 9^(x-1)=27^(x-1), then you dont really need to use the quadratic fromula.

5 0

3 years ago