Mental Maths Class 7 Other

Asked by RAJANYA MONDAL · The Level field School

Solve for x if three times x plus five is equal to four times x plus two.

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Answer: B. 3

The sentence gives 3x + 5 = 4x + 2. Subtract 3x from both sides: 5 = x + 2, so x = 3. Check: 3(3) + 5 = 14 and 4(3) + 2 = 14.

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