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exis [7]
3 years ago
11

What's the simplified form of 2x + 3 – X + 5? A.X-2 B.X-8 C. x+8 D. 3x + 8

Mathematics
1 answer:
allochka39001 [22]3 years ago
8 0

Answer:

C

Step-by-step explanation:

Group like terms

= 2x - x +3 +5

Add the similar 'elements'

= x + 3 + 5

Add the numbers

3 + 5 = 8 + x

= x+8

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When three times the sum of a number and seven is increased by ten, the result is four. What is the number ?
densk [106]

Answer:

x=9   :))

Step-by-step explanation:

First set up your equation.

"3 times" is multiplication

"THE SUM of A NUMBER and seven" that is parenthesis because of the multiplication before it

"is increased by ten" that is an addition at the end

Now we have 3(x+7)+10=4

Solve your equation!

Distribute the 3 now we have 3x+21+10=4

Add like terms

now it should look like this... 3x+31=4

Subtract 31 from both sides and it looks like...

3x=27

Divide by the x-value

x=9

4 0
3 years ago
What is the measure of ZB?<br> 28<br> 36<br> B<br> [?] degrees<br> Enter
Sindrei [870]
All triangles have a measurement of 180 degrees. Therefore, we can use this information to make an equation to find the value of angle B.

Angle B = 180 - (28 + 36)
Angle B = 180 - 64
Angle B = 116

So, angle B is equal to 116 degrees.
4 0
3 years ago
Write the equation of a line in slope intercept form of a line that has a slope of 5 and a y
xenn [34]

Answer: y=5x-8

Step-by-step explanation: slope intercept form is y=mx+b. M stands for the slope and B stands for the y-intercept. You just need to input what the question is telling you.

8 0
3 years ago
Two intersecting lines have ______ of point(s) in common.
Vladimir79 [104]
They only have 1 common point
5 0
3 years ago
Read 2 more answers
Is 8 ,5,1 and -4 an arithmetic sequence.
kolbaska11 [484]

Answer:

The sequence is not geometric or arithmetic because there is no common difference or common ratio between each term.

Not a Geometric or Arithmetic Sequence

5 0
3 years ago
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