Solve equation 3k+45=8k+25

Mathematics

2 answers:

Brrunno [24]3 years ago

5 0

Answer:

k=4

Step-by-step explanation:

First, we can subtract 3k on both sides. It is ultimately easier to start by subtracting the term with a variable. This would result in 45=5k+25. Then, we can subtract 25 on both sides to get closer to isolating k. This becomes 20=5k. We can then divide by 5 on both sides. This means that k=4.

NikAS [45]3 years ago

3 0

Answer:

4 = k

Step-by-step explanation:

3k+45=8k+25

Subtract 3k from each side

3k-3k+45=8k-3k+25

45 = 5k+25

Subtract 25 from each side

45-25 = 5k+25-25

20 = 5k

Divide by 5

20/5 = 5k/5

4 = k

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