xxmckenziexx009 xxmckenziexx009
  • 03-11-2020
  • Mathematics
contestada

Find x and the perimeter of the triangle.

x=
perimeter=

Find x and the perimeter of the triangle x perimeter class=

Respuesta :

nicolesanchez1668
nicolesanchez1668 nicolesanchez1668
  • 03-11-2020

Answer:

x = 10  Perimeter: 129

Step-by-step explanation:

FINDING X:

4x+7 = 5x -3

7 = x -3

10 = x

x = 10

PERIMETER:

4x + 7 + 5x - 3 + 4x - 5

Combine the "x" values

13x + 7- 3 - 5

Combine the numbers

13x - 1

13(10) -1

130 - 1

129

Answer Link
PriyAnjalee
PriyAnjalee PriyAnjalee
  • 03-11-2020

Answer:

x=10

perimeter=129

step wise

4x+7=5x-3

4x-5x=-7-3

-1x=-10

x=10

then,

perimeter=(4×10+7)+(5×10-3)+(4×10-5)

=129 answer

Answer Link

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