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irina [24]
3 years ago
9

3( 2x + 1 ) = 15 you have to find x

Mathematics
1 answer:
OlgaM077 [116]3 years ago
6 0

Answer:

x = 2

Step-by-step explanation:

3(2x+1) = 15

6x +3 = 15

6x = 12

x - 2

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Step-by-step explanation:

4 0
3 years ago
Use a transformation to solve the equation. t – (–16.5) = –13.4 A. t = –29.9 B. t = –3.1 C. t = 3.1 D. t = 29.9
Kipish [7]
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t + 16.5 = -13.4
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5 0
3 years ago
A line, y mx + b, passes through the point (2, 3) and is parallel to y 2x + 5. What is the value of b?​
Vitek1552 [10]

Answer:

Step-by-step explanation:

If a line is parallel to another it must have the same slope

The slope/intercept form of a line is y = mx + b where m is the slope and b the y intercept

The line y = 2x + 5 has slope 2

So the slope of the line that passes through (2,3) must also have the slope 2

We have
y = 2x + b; Substituting x =2, y =3 in this equation gives us
3 = 2 (2) + b or b = -1

Hence the equation of the line is
y = 2x -1

Cross-check

Substitute for x = 2 ==> y = 2(2) - 1 = 3 which is consistent

3 0
2 years ago
PLEASE HELP WILL GIVE 20 POINTS!!!
Artyom0805 [142]

Answer:

a

Step-by-step explanation:

you divide three from both sides and get m-3 = -2. then you add 3 to both sides and get m=1

4 0
3 years ago
Y = (x – 4)² - 4<br> Standard form
Anton [14]

Answer:

y=x to the second power -8x+12

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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