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3 years ago

8

2/5(5k+35) -8 =12 please helpppppppp

2 answers:

balu736 [363]3 years ago

8 0

See attachment for math work and answer.

Mrac [35]3 years ago

3 0

Answer:

k =3

Step-by-step explanation:

2/5(5k+35) -8 =12

Add 8 to each side

2/5(5k+35) -8+8 =12+8

2/5(5k+35) =20

Multiply each side by 5/2

5/2 *2/5(5k+35) =20*5/2

5k+35 = 50

Subtract 35 from each side

5k+35-35 = 50-35

5k = 15

Divide by 5

5k/5 = 15/5

k =3

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