- A₹ 130
- B₹ 50
- C₹ 260
- D₹ 10
Step-by-Step Solution
. Move the terms to one side: , so . Each bank holds (check: ). ₹ 50 is only .
Answer: A) ₹ 130
Aman's and Bina's piggy banks hold the amounts shown, and both hold the same amount. How much money is in each piggy bank?
Class 7Simple EquationsSimple Equations
Key idea: Two-sided equations: variable on both sides
When the variable appears on both sides, gather all variable terms on one side and all constants on the other.
Example: .
Move to the left (flip):
Simplify:
Move +3:
Divide: .
**Verify**: ; ✓.
Example: .
Move to the left (flip):
Simplify:
Move +3:
Divide: .
**Verify**: ; ✓.
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