Question

1. Solve the following equations by systematic method:
(a) 2x - 5 = 15
(b) n - 5/3 = 0
2. Sheela is 4 times as old as her brother. 5 years ago her brother was 2/7 of her age. What is her actual age now?

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Answer 1

Aɴsᴡᴇʀ:-

Qᴜᴇsᴛɪᴏɴ :-

• 2x - 5 = 15

Aɴsᴡᴇʀ :-

• 2x - 5 = 15
• 2x = 15 + 5
• 2x = 20
• x = 20 ÷ 2
• x = 10

Qᴜᴇsᴛɪᴏɴ :-

• n - 5/3 = 0

Aɴsᴡᴇʀ :-

• n - 5/3 = 0
• n = 0 + 5/3
• n = + 5/3

Qᴜᴇsᴛɪᴏɴ :-

• Sheela is 4 times as old as her brother. 5 years ago her brother was 2/7 of her age. What is her actual age now?

Aɴsᴡᴇʀ:-

• Sheela is 4 times as old as her brother.( Sheela > Her Brother)
• 5 × 2 / 7
• 35 × 14

━━━━━

7

• 70
• 70

━━━

4

• 17.5

Hᴏᴘᴇ Tʜɪs Hᴇʟᴘs Yᴏᴜ࿐