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Digiron [165]
3 years ago
6

Expand the expression. -7(k - 3) -7k + 21 -k – 21 k+ 21 -7k - 21

Mathematics
1 answer:
garri49 [273]3 years ago
3 0

Answer:

-43K+42

Step-by-step explanation:

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Solve the system by substitution.<br> y = 8x<br> y = 10x - 4<br> Submit Answer
erik [133]

Answer:

x=1, y=8

Step-by-step explanation:

Plug y=8x into y=10x-4.

8x=10x-4

Subtract 10x from each side.

-2x=-2

Divide each side by -2.

x=1

Plug x=1 into y=8x.

y=8(1)

y=8

5 0
3 years ago
-(-2) and -/-2/ simplify to different numbers
kow [346]
I suppose the / are absolute value lines.... so ill answer it that way, -(-2) simplifies to 2. -/-2/ simplifies to -2
7 0
4 years ago
What is 36j + j<br><br> please help and explain if you can!!! :)
Norma-Jean [14]
36j + j = 37j

Explanation.
You could translate this sum into a normal sebtence: I have 36 apples and add 1 apple more.

The sum will then be 36 apples + apple = 37 apples.
Replacing the word (in this explanation 'apple') by a letter learns us 36a + a = 37a

Hence 36j + j = 37j
8 0
3 years ago
Find the equation of the line that passes through the point (3,14) and is parallel to y=2/3x -6
Ugo [173]
Y=mx+b
m=slope

paralell ines have same slope
y=2/3x-6
slope is 2/3

the equation of aline that passes through (x1,y1) and has a slope of m is
y-y1=m(x-x1)
given
(3,14) and slope is 2/3
y-14=2/3(x-3)
y-14=2/3x-2
y=2/3x+12
4 0
3 years ago
Read 2 more answers
Please help me <br> math math math
olga nikolaevna [1]
Your answer A12/A6= A6
4 0
2 years ago
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