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nekit [7.7K]
4 years ago
11

Substitute 2x-3(x-1)=1

Mathematics
2 answers:
julia-pushkina [17]4 years ago
5 0

Answer:

<h3>X=2</h3>

Step-by-step explanation:

To solve this problem, first, you have to isolate x on one side of the equation.

First, expand.

You can also use distributive property.

<u><em>DISTRIBUTIVE PROPERTY</em></u>

A(B+C)=AB+AC

A(B-C)=AB-AC

-3(x-1)

A=(-3)

B=x

C=1

-3x-(-3)*1

-3x+3*1

Solve.

3*1=3

-3x+3

Rewrite the equation.

2x-3x+3=1

Add & subtract elements.

2x-3x=-x

-x+3=1

Subtract 3 from both sides.

-x+3-3=1-3

Solve.

1-3=-2

-x=-2

Then, divide by -1 from both sides.

-x/-1=-2/-1

Solve.

Divide the numbers from left to right.

-2/-1=2

X=2

\Large\boxed{\mathsf{X=2}}}

Therefore, the final answer is x=2.

faltersainse [42]4 years ago
3 0

Answer:

X =2

Step-by-step explanation:

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

plz..

mark it as a brilliant answer

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A certain forest covers an area of 2400 km^2. Suppose that each year this area decreases by 5.75%. What will the area be after 8
kolezko [41]
We have to use the function A(t)= a(1 +/- r)^t
So A is going to be the answer- the area after 8 years. t is going to be 8, because t is time. a is 2400 because that's the starting value. Finally, we're going to turn 5.75% into it's decimal form of .0575. That's going to be r, and because the area is decreasing, we will subtract r from 1.
Our new function is:
A=2400(1-.0575)^8
Simplify a little bit.
A=2400(.9425)^8
Bring .9425 to to power of 8 and then multiply by 2400 because PEDMAS.
A=1494.38366866
The rounded answer is 1494 kilometers squared.
5 0
3 years ago
Explain how to use the vertical line test to test to see if a graph represents a function.
Naddika [18.5K]

Answer:

To use the vertical line test, take a ruler or other straight edge and draw a line parallel to the y-axis for any chosen value of x. If the vertical line you drew intersects the graph more than once for any value of x then the graph is not the graph of a function.

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Hope it helps you

5 0
3 years ago
What is a simplified expression for 3(2x + y)
Brut [27]

Answer:

6x + 3y

Step-by-step explanation:

Multiply 3 by 2x.

Multiply 3 by y.

This is known as the distributive law.

4 0
3 years ago
Read 2 more answers
Number 46 please help
Sati [7]
2/3 = 8/12

5 1/4 = 21/4 = 63/12

63 divide by 8 is 7.875

7 batches should be your answer

hope this helps
3 0
3 years ago
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Answer:

ight these do be some big number right there

Step-by-step explanation:

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8 0
3 years ago
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