3 years ago

Twice the sum of k and 9 is 4

Mathematics

2 answers:

Mademuasel [1]3 years ago

4 0

Answer:

2(k + 9) = 4

Step-by-step explanation:

Use distributive property.

2 x k = 2k

2 x 9 = 18

Equation:

2k + 18 = 4

Subtract 18 from both sides

2k = -14

Divide both sides by 2

k = -7

koban [17]3 years ago

4 0

Answer:

-7

Step-by-step explanation:

First, we need to write this an equation

2(k+9)=4

2k+18=4

-18 -18

2k=-14

/2 /2

k=-7

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