MCQ
What is $y$ in $10y - 20 = 50?$
- A$5$
- B$9$
- ✓$7$
- D$2$
✓
Answer
Correct option: C.
$7$
$10y - 20 = 50$
$\Rightarrow 10y = 50 + 20$
$\Rightarrow 10y = 70$
$\Rightarrow\text{y} = \frac{70}{10}$
$\Rightarrow y = 7$
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