Find x and the perimeter of the triangle.
x=
perimeter=
2 answers:
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:
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
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