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lana [24]
3 years ago
11

Graph the line y+3=2(x+2)

Mathematics
1 answer:
Daniel [21]3 years ago
5 0
Attached is the line graphed. But first to graph this line you must get y by itself. 

1.Multiply 2 to everything in the parentheses. You should get y+3=2x +4. 
2.Subtract 3 from both sides to isolate the y-variable.You should get y=2x+4-3
3.Simplify. You should get y=2x+1.
4.Pull out the slope and y-intercept and graph the line.

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5x – 12y – 17 = 0<br> 1*9(x + 2) - (y + 1) + 3 = 0
valentina_108 [34]

Answer: x=\frac{12y+17}{5}

y=\frac{-5x+17}{-12}

x=\frac{y-20}{9}

y=9x+20

Step-by-step explanation:

5x-12y-17=0 (plus 17 from both sides)

5x-12y=17 (plus 12y from both sides)

5x=12y+17 (divide 5 from everything)

x=\frac{12y+17}{5}

5x-12y-17=0 (plus 17 from both sides)

5x-12y=17 (minus 5x from both sides)

-12y=-5x+17 (divide everything by -12)

y=\frac{-5x+17}{-12}

1*9(x+2)-(y+1)+3=0 (distribute 9 to x and to 2) (distribute -1 to y and to 1)

1*9x+18-y-1+3=0 (times 9x by 1)

9x+18-y-1+3=0 (combine like terms)

9x-y+20=0 (minus 20 from both sides)

9x-y=-20 (plus y to both sides)

9x=y-20 (divide 9 from both sides)

x=\frac{y-20}{9}

1*9(x+2)-(y+1)+3=0 (distribute 9 to x and to 2) (distribute -1 to y and to 1)

1*9x+18-y-1+3=0 (times 9x by 1)

9x+18-y-1+3=0 (combine like terms)

9x-y+20=0 (minus 20 from both sides)

9x-y=-20 (minus 9x from both sides)

-y=-9x-20 (divide -1 from everything)

y=9x+20

3 0
3 years ago
4.6x-9.3=27.5 NEED HELP asap
gavmur [86]

Answer:

x=8

Step-by-step explanation:

4.6x-9.3=27.5

      +9.3  +9.3

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

4.6x=35.8

4.6x/4.6       35.8/4.6

x=8

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3 years ago
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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