Question

The value of x for which the expressions 3x – 4 and 2x + 1 become equal is? -3 0 5 1

Answer 1

Answer:

Expression given 3x−4 and 2x+1 are equal,

Then 3x−4=2x+1

3x−2x=1+4 [Transposing 2x to LHS and −4 to RHS]

x=5.

Hence, the value of x is 5.

Step-by-step explanation:

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Answer 2

Solution :-

→ 3x - 4 = 2x + 1

taking like terms to one side and changing the sign,

→ 3x - 2x = 1 + 4

→ x = 5 .

Verification :-

putting x = 5 in first expression ,

→ 3x - 4

→ 3 * 5 - 4

→ 15 - 4

→ 11

and, putting x = 5 in second expression ,

→ 2x + 1

→ 2 * 5 + 1

→ 10 + 1

→ 11

since both values are equal .

Therefore, we can conclude that, the value of x for which the expressions are equal is 5 .

Learn more :-

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