The measure of a leg of an isosceles triangle is twice the measure of its base. If the perimeter of the triangle is 64 units, what is the measure of the base of the triangle?
PLEASE HURRY
A. 5.7 units
B. 12.8 units
C. 16.0 units
D. 21.3 units

B. 12.8

Step-by-step explanation:

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fa tha first one you gonna add y to both sides

it look like this

x-y+y=6+y

x=y+6

therefore your answer is

x =y+6

fa tha second one

you gonna flip tha equation

it gonna look like x-4y=y

then add 4 to both sides

it gonna look like tha

x-4 +4 =y +4

so therefore tha answer is x=y+4

step-by-step explanation: