-8x + 6 + 9x = 17 + x Show work and answer.

Mathematics

2 answers:

Gnom [1K]3 years ago

8 0

-8x+6+9x=17+x
x+6=17+x
x+x=17+(-6)
2x/2 =-102/2=-51

olasank [31]3 years ago

3 0

-8x+6+9x=17+ x You have to first group like terms which would be -8x+9x-x= 17-6 The x becomes minus or negative because it crosses the equal sign This applies to the 6 as well -8x+9x-x= 17-6 X= 11

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There are 10 blue marbles, 4 black marbles, 5 white marbles, and 6 red marbles in a box. If two marbles are drawn at random with

Nikitich [7]

Answer:

7/20

Step-by-step explanation:

10 blue marbles, 4 black marbles, 5 white marbles, and 6 red marbles = 25 marbles

25-10 = 15

There are 15 not blue marbles

P( not blue ) = not blue marbles / total = 15/25 = 3/5

keep the not blue marble

25-1 = 24 marbles left

15-1 = 14 not blue marbles

P( not blue ) = not blue marbles / total = 14/24 = 7/12

P( not blue, keep, not blue) = 3/5 * 7/12 = 21/60 = 7/20

6 0

4 years ago

Read 2 more answers

How do this problem?

Naily [24]

1/5(3x - 0.5) + 1/6= x/5 + 0.5
change decimals to fractions (0.5=1/2)

1/5(3x - 1/2) + 1/6= x/5 + 1/2
multiply 1/5 by each term in parentheses

(1/5*3x) + (1/5*-1/2) + 1/6= x/5 + 1/2
multiply within parentheses

3x/5 - 1/10 + 1/6= x/5 + 1/2

need a common denominator; all denominators go into 30

18x/30 - 3/30 + 5/30= 6x/30 + 15/30
combine like terms

18x/30 + 2/30= 6x/30 + 15/30
subtract 6x/30 from both sides

12x/30 + 2/30= 15/30
subtract 2/30 from both sides

12x/30= 13/30
multiply both sides by 30 to eliminate fractions

(12x/30)(30)= (13/30)(30)
12x= 13
divide both sides by 12

x= 13/12 or 1.083333

ANSWER: x= 13/12 or 1.083333

Hope this helps! :)

7 0

3 years ago

Read 2 more answers

1. If (1, -2) is a solution of a linear equation 2x – y = p, then find the value of p.

alisha [4.7K]

Answer:

Just put the values of x and y

x = 1

y = -2

2x – y = p

2(1) - (- 2) = p

p = 4