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Grade 7 - Mathematics
3.10 Word Problems - Exponents - 2

Example: If 2x=15, find the value of 2x+3?
Solution: 2x+3 = 2x.23
Substitute 22 =15 in the above, we get
= 15.23

Directions: Solve the following problems. Also write at least ten examples of your own.
Q 1: If 3x=5, find the value of 3x+2?

Q 2: If 7x=16, find the value of 7x+0?

Q 3: If 5x=15, find the value of 5x+3?

Q 4: If 2x=32, find the value of 2x-4?

Q 5: If 4x=160, find the value of 4x-2?

Q 6: If 9x=8, find the value of 9x+3?

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!

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