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jarptica [38.1K]
4 years ago
14

How do I solve equations again? don't judge I have bad memory

Mathematics
1 answer:
QveST [7]4 years ago
8 0

1).  Remove all parentheses on each side of the equation, using legal methods.

2-A).  Do everything you need to do ... multiply, divide, add, subtract ...
to get 'x' all by itself on one side of the equation.

BUT ...

2-B).  Every time you do anything to one side of the equation ...
multiply it, divide it, add to it, subtract from it ... you must immediately
do the same thing to the other side.

When you have 'x' all by itself on one side, then the other side
will be the solution.
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Which point is a solution to 4x + 6y =18<br> answer choice<br> (4,6)<br> (1,3)<br> (6,4)<br> (3,1)
Rus_ich [418]

Answer:

<h3>(3,1)</h3>

Step-by-step explanation:

it could be that or (6,1), (0,3),(-3,5),(-6,7)

just look at the point on the graph.

4 0
3 years ago
Read 2 more answers
What is the length of the unknown side?
777dan777 [17]

Answer:

Hi there!

The correct answer is: 20

Step-by-step explanation:

knowing this a right triangle you can solve this problem in two ways

Method One: Pythagorean Theorem

a^2 + b^2 = c^2 then plug in the values

(12)^2 + (16)^2 = c^2 this will come out to be 400 = c^2

square root both sides and you get c = 20

Method Two: Pythagorean Identities

if you ever learned the Pythagorean identity 3,4,5

this triangle is indeed a 3,4,5 triangle it's just that each side is multiplied by the factor 4

so in this case since you know the missing side should be 5 you just multiply 5 by 4 and you get 20

 

4 0
3 years ago
Solve the equation: 5/x-1 - 3 = 4/x
vlada-n [284]

Answer:

x = 1/4

Step-by-step explanation:

6 0
3 years ago
Find the area of the shape shown below.
hichkok12 [17]

Answer:

26.75 units ^2

Step-by-step explanation:

Since the shape is complex, divide it into 3 right angled triangles and one square. Find the area of these individual shapes first, then fin the sum of these area to calculate the ultimate area of e complex shape:

Triangle 1 = 1/2 x 2 x 5 = 5 units ^2

Triangle 2 = 1/2 x 2 x 2 = 2 units ^2

Triangle 3 = 1/2 x 3.5 x 9 = 15.75 units ^2

Square = 2 x 2 = 4 units squared.

Now add all these up 15.75 + 2 + 5 + 4 = 26.75 units squared.

Hope this helps

6 0
3 years ago
5. Solve for each inverse.<br> a. If y = 4x - 10, solve for x.
GREYUIT [131]

Answer:

x = \frac{y+10}{4}

Step-by-step explanation:

Given

y = 4x - 10 ( add 10 to both sides )

y + 10 = 4x ( divide both sides by 4 )

\frac{y+10}{4} = x

5 0
3 years ago
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