Question

Fill in the blanks:
5. An ___________ is a condition on a variable.
6. In Equation 4x + 5 = 65, the ________ is (4x + 5).
7. If we add the same number to both sides of a balance equation, the balance is _____.
The expressions are formed by performing operations like addition, subtraction, multiplication and division on the ____________.
8. In Equation 3x + 4 = 25, the ________ is (3x + 4).
9. If we multiply both sides of the equation by the same number, the balance is ______.

10. Solve the following equations:
a. 10p = 100 b. 10p + 10 = 100

11. Solve:
a. 4 (m + 3) = 18 b. – 2(x + 3) = 5 c.3(n – 5) = – 21 d. 3 – 2(2 – y ) = 7

12. The sum of three times a number and 11 is 32. Find the number.

13.Raju’s father’s age is 5 years more than three times Raju’s age. Find Raju’s age, if his father is 44 years old.

14.Maya, Madhura and Mohsina are friends studying in the same class. In a class test in geography, Maya got 16 out of 25. Madhura got 20. Their average score was 19. How much did Mohsina score?
please explain it!

Answer 1

Answer:

5. expression

6. parenthesis

7. equal

   equation

8. parenthesis

9. equal

10a.

$\frac{10p}{10}=\frac{100}{10}$

$p=10$

10b.

$10p+10=100$

      $-10$    $-10$

$10p=90$

$\frac{10p}{10}=\frac{90}{10}$

$p=9$

Answer 2

Answer:

i really don't know sorry

Step-by-step explanation: