alleryStart learning →The statement 'the sum of x and 7 is 19' is written as
- x - 7 = 19
- x + 19 = 7
- 7x = 19
- x + 7 = 19
Show answer and solution
Correct answer: D. x + 7 = 19
A sum of x and 7 is x + 7, and it is set equal to 19.
Olympiad (Class 7) Simple Linear Equations — practice questions — page 3
Explore 62 free Simple Linear Equations questions in Olympiad (Class 7) Mathematics. Open each question or exercise to read its content, reference answers and available explanation.
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Showing questions 61–62 of 62.
Worked practice questions
Doubling a number and adding 3 gives the same as adding 10 to it. Find the number.
- 13
- 10
- 3
- 7
Show answer and solution
Correct answer: D. 7
2x + 3 = x + 10 gives x = 7.
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