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Marrrta [24]
3 years ago
14

HELP ME 5x - 4 = 5x +7

Mathematics
2 answers:
pav-90 [236]3 years ago
8 0

Answer:

x = 11

Step-by-step explanation:

First, you have to add four to both sides to get

5x = 5x + 11

Now, you have to subtract 5x on both sides to get

x = 11

:) Good luck!

Orlov [11]3 years ago
8 0

Answer:

0=11 Which makes this equation false.

Step-by-step explanation:

1) Add 4 on both sides

2) Subtract 5x on both sides

3) You are left with 0=11

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PLEASE HELP!!! Show your work too, please!
dimulka [17.4K]

Step-by-step explanation:

first fish tank: 95-4x

second fish tank: 40+5x

1. Define variable

The variable x represents the number of days.

2. Write the inequality

<em>95-4x=40+5x</em>

<em />

3. You probably don't need the answer but I am just going to solve.

The first fish tank will have less water than the second fish tank after 7 days.

<em>95-4x=40+5x </em>

<em>95-4(7)=40+5(7)</em>

<em>95-28=40+35</em>

<em>67=75</em>

<em>Since the first equation (95-4x) represents the first fish tank, and the second equation (40+5x) represents the second fish tank, the solution shows how the amount of water in the first fish tank is less than the amount of water un the second fish tank after 7 days.</em>

8 0
3 years ago
Read 2 more answers
Pls answer quick I will give bainlyest to first GOOD answer
Helen [10]

Answer:

R1 - given

R2 - subtraction property of equality

R3 - distribution

S4 - 9x = 61

R5 - division prop. of equality

Step-by-step explanation:

hope this helps :)

5 0
3 years ago
The sum of the real numbers x and y is 11. Their differences is 5. What is the value of xy
Goshia [24]
The sum of the real numbers x and y is 11. Their difference is 5. what is the value of xy? Y=3
5 0
3 years ago
Give the equations of two different lines that are perpendicular to the line 3x+4y=7.
Elenna [48]
In order to Sherman a line that is either parallel or perpendicular to another line, you first have to put the equation into slope intercept form. This means you have to solve for y.

3x+4y = 7
4y = -3x + 7
y = (-3/4)x + (7/4)
The slope of the line is -3/4. Online which is perpendicular would have a slope of 4/3, The negative reciprocal.

Now that you know the slope, you can write many different equations that would be perpendicular to the original.

y = (3/4)x + any y-intercept....Pick a number, any number... 7. ... y=(3/4)x+7
... -2 ...y = (3/4)x - 2. Literally you can pick any number.
5 0
3 years ago
Mac bought a suit for $200. If the sales tax rate for the purchase was 9%, how much did Mac pay in all for the suit?
Degger [83]

Answer:

$218

Step-by-step explanation:


8 0
3 years ago
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