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olganol [36]
3 years ago
11

3x-9=2x+11 i need the steps

Mathematics
2 answers:
storchak [24]3 years ago
6 0

Answer:

x = 20

Step-by-step explanation:

3x - 9 = 2x + 11

Add 9 to both sides of the equation

3x = 2x + 20

Subtract 2x from both sides of the equation

x = 20

Hope this helps :)

solmaris [256]3 years ago
3 0

Answer:

3x-9=2x+11

Add 9 to both sides

3x=2x+20

Subtract 2x from both sides

X=20

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Math!!! Need help!!!!!!!
iogann1982 [59]
Thats either 7/5 or 1 2/5 but since theres a whole number i think its 1 2/5
3 0
3 years ago
The slope of a line is –2 and its y-intercept is (0, 3). What is the equation of the line that is parallel to the first line and
notsponge [240]

Answer:

D. y=-2x-6

Step-by-step explanation:

<u><em>First start with what we know....</em></u>

y = -2x + 3 (Slope Intercept Form)

<u><em>Because of this we can eliminate B.  </em></u>

<u><em>Parallel means that the lines wouldn't be touching which means they should have the same slope and the only one with the same slope is D. </em></u>

7 0
3 years ago
Read 2 more answers
Pls helpppp on this question
Vilka [71]

Answer: Part A - C, Part B - 12 pieces

Step-by-step explanation:

<u>Part A:</u>

We know that 1/4 of Meredith's sub is bigger than 1/4 of Jim's sub, so we can set up an inequality.

Let Meredith's sub size = m; Jim's = j

Therefore, 1/4*m > 1/4*j

We can multiply both sides by 4:

m > j

Thus, the correct answer is C

<u>Part B:</u>

Since he had 1/4 of it left, that means he at 1 - 1/4 of it = 3/4 of his sub.

We can calculate the value of 3/4 * 16 = 12 pieces

8 0
3 years ago
find to consecutivephone number such that five times the smaller number plus 3 times the greater number make 59 hint let the num
Scorpion4ik [409]

Answer:

x = 7 is the answer for the smaller number

7 + 1 = 8 is the answer for the larger number

Step-by-step explanation:

LET x and  x+1 be the two numbers here, as your hint suggests.

5x + 3(x+1) = 59

5x + 3x+3 = 59

8x = 59-3

8x = 56

/8      /8

--------------------------

x = 56/8 ---> x = 7

x = 7 is the answer for the smaller number

7 + 1 = 8 is the answer for the larger number

Check:

5 * 7 + 3 * 8 = 59

35 + 24 = 59

59 = 59 CORRECT

7 0
3 years ago
Violet was carrying around the steps to solve Square root of 3x plus 1 =
Artyom0805 [142]
\sqrt{3x+1} = 4
First, square both sides (d.) leaving 3x + 1 = 16
Second, subtract 1 from both sides (a.) leaving 3x = 15
Third, divide by 3 from both sides (e.) leaving x = 5
Answer: First D, then A, then E

7 0
3 years ago
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