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WITCHER [35]
3 years ago
12

Please help 99 points!!!! 6x-3=3x-9

Mathematics
2 answers:
german3 years ago
7 0
I think It would be x= -1
kari74 [83]3 years ago
5 0

<u><em>Answer: x=-2</em></u>

Step-by-step explanation:

addition property of equality is adding the same number to both sides of an equation does not change the equation.

distributive property: a(b+c)=ab+ac

add 3 both sides of an equation.

6x-3+3=3x-9+3

simplify an equation

6x=3x-6

subtract 3x both sides of an equation

6x-3x=3x-6-3x

simplify

3x=-6

divide 3 both sides of an equation

3x/3=-6/3

simplify

-6/3=-2

the answer should be the negative sign.

x=-2

Hope this helps!

Thanks!

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What number goes in the box to make the equation true? Blank = 5/16 x 8/15
k0ka [10]

Answer:

n = 1/6

Step-by-step explanation:

<u>Step 1:  Make an expression</u>

n = 5/16 * 8/15

n = 40/240

n = 40/40 / 240/40

<em>n = 1/6</em>

<em />

Answer:  n = 1/6

5 0
4 years ago
For each expression, select all equivalent expressions from the list.
Yuliya22 [10]

Answer:

a) 5x + x AND 6x

b) 5 + 40y

Step-by-step explanation:

4 0
3 years ago
Four less than the quotient of a number and 4 is 14. What is the number? Let n be the unknown number.
Maru [420]
So the equation is n/4-4=14
then you +4 to both sides 
n/4-4=14 so now the equation is n/4=18 then you multiply 18 by 4 and get 72
   +4    +4
then to check your work
72/4-4=14
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Hope I helped :)

8 0
3 years ago
PLS HELP ME WITH MY COUSIN HOMEWORK
wariber [46]

Answer:

Decrease

Increase

Decrease

Increase

Step-by-step explanation:

(I am slightly guessing because I am still slightly confused, buttt)

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5 0
3 years ago
Given f(x)=3x-2x^2 find f(3)
lilavasa [31]

Answer:

Step-by-step explanation:

Let's solve for f.

y=3x−2x2findf(3)

Step 1: Flip the equation.

−6df2inx2+3x=y

Step 2: Add -3x to both sides.

−6df2inx2+3x+−3x=y+−3x

−6df2inx2=−3x+y

Step 3: Divide both sides by -6dinx^2.

−6df2inx2

−6dinx2

=

−3x+y

−6dinx2

f2=

3x−y

6dinx2

Step 4: Take square root.

f=√

3x−y

6dinx2

or f=−√

3x−y

6dinx2

Answer:

f=√

3x−y

6dinx2

or f=−√

3x−y

6dinx2

7 0
3 years ago
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