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joja [24]
3 years ago
7

How do I solve -8=-(x+4)

Mathematics
2 answers:
DiKsa [7]3 years ago
8 0
First do distrubutive property
-(x+4)=-8
Multiply the parenthesis by the invisible -1 in the front 
: -x-4=-8
Now add 4 to both sides
-x=-4
then divide -1 by both sides
x=4 is your answer
olya-2409 [2.1K]3 years ago
5 0
Hi

- 8 = - ( x + 4)
-8 = -x - 4
Flip the equation
-x - 4 = -8
-x = -8 + 4
-x = -4
Divide both sides by -1
-x/-1 = -4/-1
x = 4


Good luck :)

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What TWO expressions equal 12−(−33) ?
erastova [34]

Answer:

12+33 and 33 - (-12)

Step-by-step explanation:

12 - (-33) = 45

12 + 33 gives us 45

33 - (-12) gives us 45

8 0
2 years ago
From 4a + 7b - 12c subtract 8a - 9b + 12d.
ollegr [7]

Answer:

-4a + 16b -12c -12d

Step-by-step explanation:

Given:  From 4a + 7b - 12c subtract 8a - 9b + 12d.

We are given two algebraic expression. We can add/subtract only the like terms.

(4a + 7b  -12c) - (8a -9b +12d)

Now we have distribute the negative sign inside the second expression (8a -9b +12b). If we do, the sign changes.

4a + 7b -12c -8a + 9b -12d                                          [Sign rule: -(-) = +; -(+) = -]

Now we can combine the like terms

= (4a - 8a) +(7b + 9b) -12c -12d

= -4a + 16b -12c -12d

8 0
3 years ago
2x+5=10 <br> Solve for x
Katarina [22]
<span>2x+5=10 

Subtract 5 from both sides.
2x + 5 - 5 = 10 - 5
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2/2x = 5/2
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5/2 can be simplified to 2 1/2 or 2.5.</span>
8 0
3 years ago
Read 2 more answers
Can somebody please help me with this question?
Alenkinab [10]

Answer:

Blue Triangle.

Step-by-step explanation:

Using the area formula for a triangle, the pink triangle has an area of 0.5×54×33 in² or 891 in². The blue triangle has an area of 0.5×56×39 in² or 1092 in².

4 0
3 years ago
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sphere a has radius 4 and a hemisphere b has a radius 8. fin the ratio of the volume of A to the volume of b
salantis [7]

Answer:

A/B = 0.125

Step-by-step explanation:

Givens

r for Sphere A = 4

r for Sphere B = 8

Solution

Volume A = 4/3 pi r^3

r = 4

Volume A = 4/3 pi 4^3

Volume A = 4/3 pi 64

Note: there is no point in expanding the result. 4/3 and pi are going to cancel out when you set up the volume formula

Volume B = 4/3 pi * r^3

r = 8

Volume B = 4/3 pi * 8^3

Volume B = 4/3 pi * 512

Ratio A to B = 4/3 pi * 64 / 4/3 * pi * 512        Cancel 4/3 pi

Ratio A to B = 64/512

Ratio A to B = 1/8

Ratio A to B = 0.125

4 0
2 years ago
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