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Schach [20]
3 years ago
8

Are 4x and 15 + x equivalent expressions? EXPLAIN I need help FAST!

Mathematics
1 answer:
mina [271]3 years ago
3 0

Answer:

x=5

Step-by-step explanation:

Step 1: you want to have x alone on one side so I will subtract one x from both sides (to remove the 1 x on the right side). Now we're left with 3x=15.

Step 2: Divide both sides by 3 (to remove the 3 in front of 3x). Now we have x=5.

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Find the measure of cd
Elodia [21]

Answer:

93x36

Step-by-step explanation:

1+1+2

7 0
3 years ago
Simplify 10+6/2+3 pls help quickly
bixtya [17]
10+6=16
2+3=5
16/5 or 3.2
The answer is 16/5 or 3.2
6 0
3 years ago
3(y - 1) +2(y + 3) = 13​
Zinaida [17]

Answer:

y=2

Step-by-step explanation:

3(y - 1) +2(y + 3) = 13​

3y-3+2y+6=13

5y+3=13

5y=10

y=2

4 0
4 years ago
Read 2 more answers
MEDAL
Novosadov [1.4K]
The statement <span>The coefficient of x^k y^n-k in the expansion of (x+y)^n equals (n-k / k) is true.  This will show the standard formula and the expansion of it. We all know that it can still be expanded based on the power or degree of the terms.</span>
5 0
3 years ago
Read 2 more answers
Kyle grates 4/8 pound of cheese for enchiladas. He grates 2/8 pound of cheese for tacos. How much cheese does Kyle grate in all?
babymother [125]

He grates 6/8 pounds of cheese in all.

For this problem, you just have to add the numerators and keep the denominators.

4/8 + 2/8 = 6/8.

Remember, if the denominator is the same, just add the numerator.

7 0
3 years ago
Read 2 more answers
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