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Vaselesa [24]
4 years ago
7

What is the value of x? see attachment below

Mathematics
1 answer:
Kitty [74]4 years ago
4 0

Answer:

  x = 31

Step-by-step explanation:

The perimeter is the sum of the equal-length sides:

  63 = (x -10) +(x -10) +(x -10)

  63 = 3x -30 . . . . . . . . collect terms

  21 = x -10 . . . . . . . . . . divide by 3

  31 = x . . . . . . . . . . . . . add 10

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Y=-3x-5 <br> y=4x+30<br> PLS HELP ASAP
Dominik [7]

{y,x} = {10,-5}

Step-by-step explanation:

sorry if this dont make sense

solve equation [2] for the variable y

y = 4x +30

plug this in for variable y in equation [1 ]

(4x+30) +3x= -5

solve [1] for the variable x

7x= - 35

x= - 5

by now we know this much

y= 4x+30

x= - 5

use the x value to solve for y

y=4 (-5) + 30 = 10

solution

{y,x} = {10,-5}

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3 years ago
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Answer:

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4 years ago
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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vivado [14]

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8 0
4 years ago
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