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oee [108]
4 years ago
9

Solve the equation for x: 2x + 22 = 4(x+3)

Mathematics
1 answer:
Elina [12.6K]4 years ago
8 0
2x + 22 = 4(x + 3)...distribute thru the parenthesis
2x + 22 = 4x + 12...subtract 2x from both sides, subtract 12 from both sides
22 - 12 = 4x - 2x...simplify
10 = 2x...divide both sides by 2
10/2 = x...reduce
5 = x <==
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Are (2,9) and (-3,-6) both on the line y = 4x + 6? If not, find an equation for the line that does pass through both points.
igor_vitrenko [27]

Answer:

no, y=3x+3

Step-by-step explanation:

plug both points into the equations:

  • 9=4*2 +6 -> 9=8+6, doesn't work
  • -6=4(-3)+6 -> -6=-6, works

one works but the other doesn't so now we find a line through both points

use the formula (y_2-y_1)/(x_2-x_1) to find the slope:

  • (-6-9)/(-3-2)=-15/-5=3

y=3x+b, plug in a point to find b:

  • 9=3(2)+b
  • 9=6+b
  • b=3
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7 0
3 years ago
What would be the coordinate points for these? (I need 3 x and y) will give brainliest!!
Zarrin [17]

Answer:

Step-by-step explanation:

3x = -6

3 x -2 = -6

Your coordinates would be (-2,-6) if you are taking -2 as x and -6 as your y

5 0
4 years ago
read the analogy tornado: destroys:: fire: burns which identifies the type of analogy a. cause and effect b. part to whole c. it
luda_lava [24]

Answer:

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Step-by-step explanation:

6 0
4 years ago
How can you isolate the variable x on one side of an inequality
Tcecarenko [31]

you combine like terms first.

for example: 2x=2+5

add up the two plus 5 so that will give you seven then you're going to divide 2 by 7 so that you isolate the x and you'll get your answer.

8 0
3 years ago
Which transformation is shown by the coordinates below? L(-1, 9) M(-8, 8) N(-3, 5) L'(-9, -1) M'(-8, -8) N'(-5, -3)
Nataly [62]

Negative   Positive

-1                 +9

-8                 +8

-3                  + 5

-9

-1

-8

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-5

-3      

Hope answered question correctly and the way you wanted

6 0
3 years ago
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