Solve for k: 31 - 3k = 10
2 answers:
Answer:
k=-7
Step-by-step explanation:
31-3k=10
31-31=0 10-31=-21
-3k=-21 -3/3=0
-21/3=-7
k=-7
Answer:
k = 7
Step-by-step explanation:
Step 1: Write equation
31 - 3k = 10
Step 2: Solve for <em>k</em>
- Subtract 31 on both sides: -3k = -21
- Divide both sides by -3: k = 7
Step 3: Check
<em>Plug in k to verify it's a solution.</em>
31 - 3(7) = 10
31 - 21 = 10
10 = 10
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