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Two-step bracket equations Mastery:
66%
Shared WhiteboardLinear Equations with Brackets
Live Equation & Verified Steps
No Answer Spoilers3(x − 2) + 5 = 20
Step 1 ✓ 3(x − 2) = 15
Spark’s Board Card: Goal: Isolate (x − 2) first, or distribute 3 across both terms.
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SparkSocratic Coach
Hint rung: 0/5
Spark · AI TutorOpening Socratic Prompt
Hi! I’m Spark, your AI study partner. We’re looking at 3(x − 2) + 5 = 20. Before we touch the x inside the bracket, what’s your first move to simplify the left side?
You (Student)
I’ll subtract 5 from both sides first to get 3(x − 2) = 15.
Spark · AI TutorStep Verified ✓
Clean first move! Subtracting 5 from both sides clears the loose constant and gives 3(x − 2) = 15. I’ve pinned that step to the board. Now, how do you undo the × 3 and finish solving for x?
Click a response to test Spark, or type your own working below: