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xxTIMURxx [149]
3 years ago
7

Which is the most likely first step needed to solve this equation? 99x - 15 = 45

Mathematics
1 answer:
netineya [11]3 years ago
3 0

Answer:

the first step wpuld be to subtract 15 from the left side and add it to the right

Step-by-step explanation:

99x-15=45

      +15 = +15

99x= 60

99x/60 = 60/60

0.6x  

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A number, y, is equal to twice the sum of a smaller number and 3. The larger number is also equal to 5 more than 3 times the sma
RSB [31]

Answer:

A.

Step-by-step explanation:

<em>NOTE: The "larger number" will be referred to as y, and the "smaller number" will be referred to as x.</em>

"A number, y, is equal to twice the sum of a smaller number and 3."

This tells us that we must add our smaller number (x) to 3 within parantheses and then multiply the entire term (x+3) by 2.

y=2(x+3)

"The larger number is also equal to 5 more than 3 times the smaller number."

This tells us that we must multiply 3 against our smaller number (x) and add 5 to it.

y=3x+5

Now, to find your answer, we can put the equations in the same form as the answer choices so as to find an equivalent equation. Lets start with the first equation.

This form calls for us to have our x term first, then our y term, then our constant.

y=2(x+3)\\y=2x+6\\-2x+y=6

Now that we've gotten the equation in that form, we can see that our answer choices hold that our leading co-efficient must be positive, which we can adjust for by dividing both sides by -1.

-2x+y=6\\2x-y=-6

This makes the only possible answer choices (A) and (C).

Now, lets do our second equation. The recipe calls for the same form, again with a positive leading coefficient.

y=3x+5\\-3x+y=5\\3x-y=-5

This is only represented by choices (A) and (B).

Therefore, answer choice (A) is the only one which represents both equations.

7 0
3 years ago
What is the opposite of –|–1|
Marianna [84]
What is the opposite of -|-1| so what is the opposite of -1? It's 1!!! Hope this helped!
6 0
3 years ago
Read 2 more answers
Find the values of x work 10% of my grade
Ostrovityanka [42]

Answer:

x = 35

Step-by-step explanation:

1. Add all angles

115+(x+36)+24+(2x+10)+2x

= 5x+185

2. Match 360 and fix

5x+185=360

5x=360-185

5x=175

x=175/5

x=35

Hope this helps

6 0
2 years ago
Read 2 more answers
2. 10x - 11 - 4x = 43
Nezavi [6.7K]

Answer:

x=9

Step-by-step explanation:

10x - 11 -4x = 43

6x -11 =43

6x = 54

x=9

8 0
3 years ago
Erin is making fruit salad.For each bowl of fruit salad,she needs 2/3 cup of strawberries.How many cups will she use if she make
grigory [225]
She needs 18 times of 2/3 cup, this is

18\cdot \frac{2}{3}=12 cups
5 0
3 years ago
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