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Inga [223]
3 years ago
11

3. 4 more than the difference of x and 7.

Mathematics
1 answer:
Ainat [17]3 years ago
6 0

Answer:

y = (x - 7) + 4

Step-by-step explanation:

4 more = + 4

difference = (-)

y = (x - 7) + 4

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Sam’s brother is 7 years older than Sam . His mother is 4 less than 3 times Sam’s age . Their combined age is 63 . How old is Sa
iren [92.7K]

Answer:

Sam is 12, sam's brother is 19, and sam's mom is 32.

Step-by-step explanation:

First the equation you need to use is S+7+S+3S-4=63(the variable s represents Sam), you combine the like terms which then equals 5S+3=63, then you use inverse operations. Subtract 3 on both sides, 5S=60, then you divide on both sides which equals S equals 12. Then you just plug in the number, S is Sam which means Sam's 12. Then 12+7 which is 19, Sam's brother. Then 3 times 12 minus 4 is 32. And if you check to make sure, 12+19+32 does equal 63.

6 0
3 years ago
–5x < 35 what the answer and how to solve it
Leya [2.2K]

Answer:

-7

Step-by-step explanation:

First, we know that we are solving for x so what we need to do is to find out what times -5=35.

We know that

-5x7=-35

So we know our answer cant be positive 7, which means we need the opposite of 7 which is -7.

And:

-5x-7=35

This makes the equation true:

Hence, the correct answer is -7

4 0
2 years ago
Jamie is looking for the rate and unit rate of the following ratio below.
bezimeni [28]

Answer: in explanation

Step-by-step explanation:

Rate is simplest form, so 3 napkins for 5 cents.

Unit rate is for 1 x value, so 1 napkin for 0,6 cents.

3 0
2 years ago
Use the table to answer the question.
Akimi4 [234]

Step-by-step explanation:

You can choose one of the prices above to find the proportion.

\frac{2}{4}  =  \frac{2.30}{y}  \\ 2 \times y = 2.30 \times 4 \\ y = 2.30 \times 2 \\ y = 4.60

<h3>#CMIIW</h3>

7 0
3 years ago
Read 2 more answers
-(j-7)+3=5 what is j?
Fofino [41]
The answer is 5/ j=5
7 0
2 years ago
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