Verified answer

MATHEMATICS

DIRECTIONS:

Solve for the unknown.

1. x + 10 = 20

• x + 10 = 20
• x = 20 - 10
• x = 10
• The value of x is 10.

TO CHECK:

• If x = 10, let's substitute.
• x + 10 = 20
• (10) + 10 = 20 ✔︎

FINAL ANSWER:

Therefore, the value of the missing number of this equation is 10.

2. 15 = p + 8

• 15 = p + 8
• 15 - 8 = p
• p = 15 - 8
• p = 7
• The value of p is 7.

TO CHECK:

• If p = 7, let's substitute.
• 15 = p + 8
• 15 = (7) + 8
• (7) + 8 = 15 ✔︎

FINAL ANSWER:

Therefore, the value of the missing number of this equation is 7.

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Answer:

1. x = 10

2. p = 7

Step-by-step explanation:

1. x + 10 = 20

x = 20 - 10

x = 10

2. 15 = p + 8

15 - 8 = p

7 =p or p = 7