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inysia [295]
3 years ago
15

1. x + 5 = 23 2. 2x + 1 = 13 3. 3x - 7 = 14

Mathematics
1 answer:
Harrizon [31]3 years ago
3 0
1. 18. Subtract 5 to both sides
2. 6. Subtract 1 to both sides, then divide both sides by 2.
3. 7. Add 7 to both sides, then divide both sides by 3.
You might be interested in
Write an equation for the line that passes through the points (0,-6) and (-3,0)
lisov135 [29]

Answer:

Then the desired equation is y = -2x - 6.

Step-by-step explanation:

As we move from point (-3, 0) to point (0, -6), x increases by 3 and y decreases by 6.  Thus, the slope of the line segment connecting these two points is m = rise / run = -6/3 = -2.

Now use the slope-intercept equation of a straight line to determine the y-intercept of this line:

y = mx + b becomes 0 = -2(-3) + b, so that b = -6.

Then the desired equation is y = -2x - 6.

Check:  Does (0, -6) satisfy y = -2x - 6?  Is -6 = -2(0) - 6 true?  YES

7 0
3 years ago
3 ( 8m+5) = 4 (6m+7)-13
Kitty [74]

Answer:

infinite solutions

Step-by-step explanation:

Given

3(8m + 5) = 4(6m + 7) - 13 ← distribute parenthesis on both sides

24m + 15 = 24m + 28 - 13 , that is

24m + 15 = 24m + 15

Since both sides are equal then any real value of x makes the equation true.

Thus there are an infinite number of solutions

8 0
3 years ago
Mrs. Gomes found that 40% of students at her high school take chemistry. She randomly surveys 12 students. What is the probabili
Roman55 [17]

Answer:

B

JUST TOOK THE UNIT TEST REVIEW

Learn more about the probability here;

brainly.com/question/24756209

5 0
2 years ago
F(2)=3t^2-2 find f (k-2)
MrRissso [65]
The answer to your question is 3k^2 + 12-2
3 0
3 years ago
FASSSSSSTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
Ivenika [448]

Answer:

p=25 degrees

Step-by-step explanation:

70 and 20+2p are verticle angles, so they are equal

70=20+2p

-20-20

50=2p

/2   /2

25=p

7 0
3 years ago
Read 2 more answers
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