The length of a rectangle is 3x-4y+6z and the perimeter is 7x+8y+17z find the breath of the ractangle
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Step-by-step explanation:
perimeter=7x+8y+17z=2(l+b)
7x+8y+17z=2(3x-4y+6z+b)
7x+8y+17z=6x-8y+12z+2b
X+16y+5z=2b
b=X/2+8y+5z/2
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