IXL | Evaluate two-variable equations: word problems

This equation shows how the total number of books Kendall has read depends on the number of months she has been part of a book club.

b = 5m

The variable m represents the number of months she has been a member of the book club, and the variable b represents the number of books that she has read. After belonging to the book club for 1 month, how many books will Kendall have read in all?

books

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question

This equation shows how the number of plants Dakota can have in her backyard is related to the number of seed packets she purchases.

p = s + 17

The variable s represents the number of seed packets she purchases, and the variable p represents the total number of plants in the backyard. With 1 seed packet, how many total plants can Dakota have in her backyard?

plants

solution

Dakota purchases 1 seed packet. Plug in s = 1.

s + 17

Plug in s = 1

1 + 17

Plug in s = 1

Add

With 1 seed packet, Dakota can have 18 plants in her backyard.

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Lesson: Evaluating expressions

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X.2Find a value using two-variable equations

R.3Write variable expressions: word problems

Lesson: Evaluating expressions

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