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igomit [66]
3 years ago
12

Help me pls I kind of confused

Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
4 0
Ok so basically you have to anahajahabdbnxnxkskalakand
NemiM [27]3 years ago
3 0
Basically u have to try hard SO U DO IT!!
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Solve for x. <br><br> x + 3x + 5 =21
timurjin [86]

Answer:

x=4

Step-by-step explanation:

In order to solve for x, we must isolate x on one side of the equation.

x+3x+5=21

First, combine like terms. x and 3x are both terms with variables, and can be combined.

(x+3x) + 5=21

4x + 5=21

5 is being added to 4x. The inverse of addition is subtraction. Subtract 5 from both sides of the equation.

4x+5-5= 21-5

4x= 16

x is being multiplied by 4. The inverse of multiplication is division. Divide both sides by 4.

4x/4=16/4

x= 16/4

x=4

Let's check our solution. Plug 4 in for x and solve.

x+3x+5=21

4+3(4)+5=21

4+12+5=21

16+5=21

21=21

This solution checks out, so we know our answer is correct.

x is equal to 4, x=4.

4 0
3 years ago
Read 2 more answers
Which graph represents the solution set for the system 2x + 5y ≤ 9 and 3x + 5y ≤ 9?
Brut [27]

Answer:

The answer is graph B. Have a nice day!

Step-by-step explanation:

3 0
3 years ago
Can someone ONE person tutor me in math?plsss
Rina8888 [55]

Answer:

I can

Step-by-step explanation:

I'm taking precalculus currently

5 0
2 years ago
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Complete the steps to find the value of x.<br> 2x<br> 1289<br> 22<br> 2
Oksanka [162]

Answer:

Step-by-step explanation:

2x = 128

x = 128/2

x = 64

6 0
3 years ago
Can someone help me :(( thank you so so much if u do &lt;33:)
Keith_Richards [23]

Answer:

13

Step-by-step explanation:

8-13=-5

4 0
2 years ago
Read 2 more answers
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