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vodka [1.7K]
3 years ago
11

Simplify 7(x - 2) - 4x + 9​

Mathematics
2 answers:
DaniilM [7]3 years ago
7 0
First, multiply. 7x-14-4x+9. Now, add the like terms. 3x-5.
dusya [7]3 years ago
6 0

Answer:

3x - 5

Step-by-step explanation:

Perform the indicated multiplication.  We get:

7x - 14 - 4x + 9.

Combining like terms, we get 3x - 5

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Solve for x, give exact answers: 6x^2 - 7x - 3 = 0
Novosadov [1.4K]

Answer:

Step-by-step explanation:

6x∧2-7x-3=0

the coefficient of x² multiplied by -3 = -18

we need to look for 2 numbers that when we add it to together it will equate to -7x

+2 and -9 is the answer

6x∧2+2x-9x-3=0

2x(3x+1)-3(3x+1)=0

(2x-3)(3x+1)=0

equate each brackets to 0

2x-3=0   3x+1=0

2x=3        3x=-1

x=3/2         x=-1/3

4 0
3 years ago
Read 2 more answers
Why does it help to rearrange
hichkok12 [17]

Answer:

You don't really need to do it, but it helps you keep things more organized and easier to follow. Imagine if you're doing some multi-variable equation,

2a + 5b + 4d + 3c + b + a + 2d

that looks like a mess, it'll be easier to look at if you put all the similar variables next to each others like this:

a + 2a + b + 5b + 3c + 2d + 4d

(a + 2a) + (b + 5b) + 3c + (2d + 4d)

now you can add them up much easier.

8 0
2 years ago
Subtract express each diffrence in simplest form : 2 - 1/3-9/10 and 4-5/6- 3/8
ivolga24 [154]
The first one is 23/30  and the second one is 2 19/24
3 0
2 years ago
Is 15º an acute angle, right angle, obtuse<br> angle, or straight angle?<br> flant role
White raven [17]

Answer:

acute angle

Step-by-step explanation:

right is 90 degrees

obtuse is greater than 90 degrees

acuta is less than 90 degrees

straight is 180 degrees

so acute.

Brainliest appreciated

8 0
2 years ago
Choose all that apply. What type of numbers represent parts of a whole?
yulyashka [42]
Fractions and decimals. (And maybe integers because some are decimals)
6 0
3 years ago
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