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ki77a [65]
3 years ago
15

Simplify the expression -3(x+3)+4x

Mathematics
2 answers:
Korolek [52]3 years ago
8 0

Answer:

x - 9

Step-by-step explanation:

In this case, "simplify" directs that you 1) carry out the indicated multiplication and 2) combine like terms.

-3(x+3)+4x = -3x - 9 + 4x = x - 9

m_a_m_a [10]3 years ago
7 0

Answer: x-9


Step-by-step explanation: To get rid of the parentheses you must distribute or multiply the -3 to all the numbers inside the parentheses.

-3(x+3)+4x

-3x-9+4x

Then we combine like terms which will give us our answer.

-3x-9+4x

x-9

Since this is an expression and not an equation there will <em>not </em>be a result. We are only simplifying the expression.

So the final answer is

<em><u>x-9 Hope this helps!</u></em>

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It is not in simplest form, as it can be broken down to 9:3, then furthermore to 3:1 Final answer: 3:1.
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A shoekeeper uses this formula to work out the
ElenaW [278]

Answer:

12.6

Step-by-step explanation:

1.8X7

7x1=7

0.8x7=5.6

7+5.6=12.6

3 0
3 years ago
Solve for x 5^x= 3x^x+1
Stella [2.4K]

Answer:

x=1

Step-by-step explanation:

5 − 3 x = x + 1

 Move all terms containing  x  to the left side of the equation.

5 − 4 x = 1

Move all terms not containing  x  to the right side of the equation. − 4 x = − 4

Divide each term by  − 4  and simplify.

x = 1

3 0
3 years ago
Find the quadratic function that has roots of -9 and 3 and a vertex of (-3,-36)
natita [175]
Y=(x+9)(x-3)+c
∵(-3,-36)lies on it.
-36=(-3+9)(-3-3)+c
-36=(-6)(-6)+c
-36=36+c
c=-36-36=-72
y=(x-9)(x+3)-72
y=x^2+3x-9x-27-72
y=x^2-6x-99
6 0
3 years ago
Hurry for Brainlist =Accurate Answer
cluponka [151]

Step-by-step explanation:

the second line has to be parallel (but not identical), so that the 2 lines do not cross each other, do not have any point in common.

that means it must have the same slope but a different y-intercept.

the line in the graph goes through the origin (0, 0), which makes the y-intercept = 0 (the y value when x = 0).

and we see that the points with integer coordinates seem to be e.g. (3, -2).

so, for the slope (y difference / x difference between 2 points) we use this point and the origin.

x changes by +3 (from 0 to 3).

y changes by -2 (from 0 to -2).

so, the slope is -2/3. and it is always the factor of x.

let's look at the answer options :

2x + 3y = 0

3y = -2x

y = (-2/3)x

this is the identical line, so it is wrong !

2x + 3y = 6

3y = -2x + 6

y = (-2/3)x + 2

the same slope and different y-intercept.

this is the correct solution !

2x - 3y = 9

-3y = -2x + 9

y = (2/3)x - 3

wrong slope. so it is wrong !

y = 3x + 2

wrong slope. so it is wrong !

5 0
3 years ago
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