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frutty [35]
3 years ago
11

4(x-9)=20 IWLL GIVE BRAINLIST AND THX

Mathematics
2 answers:
deff fn [24]3 years ago
5 0

Answer: X = 14

Step-by-step explanation:

Divide both sides by the numeric factor on the left side, then solve.

x = 14

Hope this helped!!! Good luck!!! :)

VladimirAG [237]3 years ago
3 0

Answer:

x=14

Step-by-step explanation:

Let's solve your equation step-by-step.

4(x−9)=20

Step 1: Simplify both sides of the equation.

4(x−9)=20

(4)(x)+(4)(−9)=20(Distribute)

4x+−36=20

4x−36=20

Step 2: Add 36 to both sides.

4x−36+36=20+36

4x=56

Step 3: Divide both sides by 4.

4x

4

=

56

4

x=14

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Answer:

0.3413

Step-by-step explanation: Hope this helps :)

8 0
3 years ago
Read 2 more answers
(2x + 7y = -24<br>18x+y=12 solve by substitution​
const2013 [10]

Answer:

x = .87, or when approximated to a fraction, 27/31

y = -3.67, or when approximated to a fraction, -1287/350

Step-by-step explanation:

Lets start by rewriting out our equations

2x + 7y = -24

18x + y = 12

Lets solve for a y value; the second equation is easiest, as the y value has no coefficient (the number that is multiplied times a variable). To do this, lets move the 18x to the other side. Now our two equations look like:

2x + 7y = -24

y = -18x + 12

Next, lets plus the second equation into the first equation in regards to y.

2x + 7(-18x + 12) = -24

Now, lets solve!

2x -126x + 84 = -24

Then, combine your terms!

-124x = -108

Divide by (-124)!

x = -108/-124

x = 27/31

Now that we know x, lets plug this back in to the first equation to find y!

2(27/31) + 7y = -24

1.74 + 7y = -24

7y = -25.74

y = -3.67, or when approximated to a fraction, -1287/350

4 0
3 years ago
What the answer I don’t know it
meriva
The answer is B since a negative number being subtracted cancels out and becomes a number, for example: since its -(-3) it becomes positive.
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3 years ago
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What is the solution to the following system of equations?<br><br> 4x + 2y = 18<br> x − y = 3
Vikki [24]

Answer:

the top one

Step-by-step explanation:

8 0
2 years ago
Which equation can be used to solve for b? 8ft and angle 30
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