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Minchanka [31]
3 years ago
5

5x + 3 = 7x – 1. Find x a. 1/3 b. ½ c. 1 d. 2

Mathematics
1 answer:
weqwewe [10]3 years ago
3 0

Answer:

Step-by-step explanation:

First you need to get like items on the same side(put the variables on one side and the non-variables on the other).  Remember anything you do on one side of the equal, you have to do on the other side, too.

5X+3=7X-1   I'm going to move the -1 first, but you don't have to as long as you keep the equation equal.

5X+3+1=7X-1+1    We know that +1-1 is zero and so is -1+1.  So

5X+3+1=7X      We don't need to keep that zero.

5X+4=7X         Now, we want to move the 5X over.

5X-5X+4=7X-5X    Simplify and get rid of the zero.

4=2X             Last, we have to divide to get the 2 away from the X.

4/2=2X/2            Not everyone know that slash mean divide, :-).

2=X

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jarptica [38.1K]

Answer:

The answer is 15x+5

Step-by-step explanation:

1. Combine like terms (numbers with the same variable) (just add 7 & 8 and add an x)

2. Bring the rest down

3. After you combined like terms make sure you bring the variable down to it's proper spot

5. Hope this helps.. :)

8 0
3 years ago
How much fudge will each person get if 7 people share one half of a pound of fudge equally? Ow much fudge will each person get i
Andrews [41]

Answer:

B

Step-by-step explanation:

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8 0
3 years ago
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Using the distributive property simplify the expression<br> -2(5y + 6) + 3 - 5y
vivado [14]

Answer:

\Huge \boxed{-15y-9}

Step-by-step explanation:

To solve this problem, first you have to use the distributive property of \displaystyle a(b+c)=ab+ac.

First, expand.

\displaystyle -2(5y+6)

-2*5=-10

\displaystyle -2*6=-12

\displaystyle -10y-12

\displaystyle -10y-12+3-5y

Next, solve.

\displaystyle -10-12+3-5=\boxed{-15y-9}

In conclusion, the correct answer is -15y-9.

5 0
4 years ago
Help.. I’ll give the crown thing to whoever can find me the simplest radical form of this
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Answer:

√x

Step-by-step explanation:

The given expression

1/x^-3/6

Can be written as

1/x^-1/2

Use the negative exponent rule

1/x^n = x^n

Using the rule from above above

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√x

7 0
3 years ago
What is the value of x in the equation?
Firlakuza [10]

Answer:

The answer is -2 1/6 because it the only on that works.

Step-by-step explanation:

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