NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 4: Simple Equations - Fill in the Blanks
Question 27

Question. 27

________ is the solution of 3x + 10 = 7.

Answer:

x = −1 is the solution.

Detailed Answer with Explanation:

3x + 10 = 7 ⇒ 3x = −3 ⇒ x = −1.

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NCERT Exemplar Solutions Class 7 – Mathematics – Unit 4: Simple Equations – Fill in the Blanks | Detailed Answers