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Mariana [72]
3 years ago
15

4/3x - 4 = 5 + x Please help with this problem

Mathematics
1 answer:
stiks02 [169]3 years ago
6 0

\text {Hello! To solve for x you must...}

\text {Simplify the Equation (KCC):}

\text {Keep: 4/3x}

\text {Change: - into +}

\text {Change: 4 into -4}

\text {Switch:}

\text {5+x changes into x+5}

\text {Your new problem should be 4/3x-4=x+5}

\text {The Next Step is to Subtract x:}

\text {4/3x-4-x=x+5-x}

\text {1/3-4=5}

\text {Next you would want to add 4}

\text {Q: Why would we add 4 instead of subtracting 4?}

\text {A: Because we need 4 to equal to 0. We will add 4 to cross out 4. So -4+4 will equal 0.}

\text {1/3-4+4=5+4}

\text {1/3x=9}

\text {Your Final Step will be to Multiply 3 on both sides:}

\text {Q: Why do we multiply 3?}

\text {A: Because if we multiply 1 it won't really equal to anything. So we multiply 3 to get x}\text {by itself.}

\text 3*(1/3x)=(3)*(9)

\text {Note: 3 makes the fraction cancel out. So now x is by itself.}

\text {Your Final Answer is...}

\fbox {x=27}

\text {Best of Luck!}

\text {-LimitedX}

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Dan's school is selling tickets to a play. On
katrin [286]

Answer: $9.50

Step-by-step explanation:Let's define the variables:

A = price of one adult ticket.

S = price of one student ticket.

We know that:

"On the first day of ticket sales the school sold 1 adult ticket and 6 student tickets for a total of $69."

1*A + 6*S = $69

"The school took in $150 on the second day by selling 7 adult tickets and student tickets"

7*A + 7*S = $150

Then we have a system of equations:

A + 6*S = $69

7*A + 7*S = $150.

To solve this, we should start by isolating one variable in one of the equations, let's isolate A in the first equation:

A = $69 - 6*S

Now let's replace this in the other equation:

7*($69 - 6*S) + 7*S = $150

Now we can solve this for S.

$483 - 42*S + 7*S = $150

$483 - 35*S = $150

$483 - $150 = 35*S

$333 = 35*S

$333/35 = S

$9.51 = S

That we could round to $9.50

That is the price of one student ticket.

4 0
2 years ago
Give one example of when you would use the friendly numbers stratety to subtract. Explain why.
Nezavi [6.7K]
U should use friendly numbers when subtracting.......the numbers have to be between 3 and 10
6 0
3 years ago
Help! problem:<br>5-x=11+x
snow_tiger [21]
The answer is x=-3

5-x=11+x
-11  -11             First subtract 11
-6-x=x          
+x  +x                Now add x to both sides
-6=2x 
~2 ~2                 Finally divide by 2
-3=x                   Your answer is x=-3

7 0
3 years ago
Given h(x) = |x+3| -5
statuscvo [17]

Answer:

The parent function f(x) is equal to f\left(x\right)=\left|x\right|

The translations is 3 units to the left and 5 units down

Step-by-step explanation:

we have

h\left(x\right)=\left|x+3\right|-5

The vertex of the function h(x) is the point (-3,-5)

we know that the parent function f(x) is equal to

f\left(x\right)=\left|x\right|

The vertex of the function f(x) is the point (0,0)

so

The rule of the transformation of f(x) to h(x) is equal to

(x,y) -----> (x-3,y-5)

That means ----> The translations is 3 units to the left and 5 units down

4 0
3 years ago
Find f(3) if f(x) = -4x^2+5x
maksim [4K]
<span>f(-3) = 4 + 3 + 9 f(-3) = 16 tell me if that is it  </span>
5 0
3 years ago
Read 2 more answers
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