Question
Solve these equation and check the solution.
5s = 3s
5s = 3s
✓
Answer
Bring unknown terms on one side by subtracting 3s
⇒ 5s – 3s = 3s – 3s
⇒ 2s = 0
Divide by 2 on both sides 2
$\Rightarrow \frac{2 s}{2}=\frac{0}{2}$
⇒ s = 0
Check:
LHS = 5s = 5 × 0 = 0
RHS = 3s = 3 × 0 = 0
LHS = RHS
Hence checked.
⇒ 5s – 3s = 3s – 3s
⇒ 2s = 0
Divide by 2 on both sides 2
$\Rightarrow \frac{2 s}{2}=\frac{0}{2}$
⇒ s = 0
Check:
LHS = 5s = 5 × 0 = 0
RHS = 3s = 3 × 0 = 0
LHS = RHS
Hence checked.
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