4 years ago

If jl= 10x-2 JK = 5x-8 and KL = 7x-12 find KL

1 answer:

8 0

JK+KL=JL
(5x-8)+7x-12=10x-2
(add common terms together)
12x-20=10x-2
(get the term with x alone on one side of the equation)
2x=18
(divide by 2 to get x alone)
x=9

Find KL:
KL=7(9)-12
KL=51

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