Writing equations and inequalities with variables on both sides

Front

What does the inequality symbol '<' represent?

Back

Fewer Than

Front

Write the inequality that represents the situation: Kasey has a gift card for $25. She buys a $15 CD and as many decals as she can buy with the rest of the gift card.

Back

25 - x < 15 + x

Front

Which inequality represents the situation: Norah receives $0.75 for each lost tooth, and Kate has $1.25 and receives $0.25 for each lost tooth?

Back

0.75x ≥ 1.25 + 0.25x

Front

Write the equation that represents the cost of ice cream with toppings: Sally pays $3 for a medium ice cream plus $0.75 per topping, and another shop charges $5.25 for a medium ice cream plus $0.25 per topping.

Back

0.75x + 3 = 0.25x + 5.25

Front

What is the first step to solve the equation: 25 + 5x = 30 + 4x?

Back

Subtract 4x from both sides.

Front

If 0.75x ≥ 1.25 + 0.25x, what is the first step to isolate x?

Back

Subtract 0.25x from both sides.

Front

What is the solution to the equation: 25 + 5x = 30 + 4x?

Back

x = 5.

Front

In the context of inequalities, what does 'at least' imply?

Back

It implies 'greater than or equal to' (≥).

Front

What is the key word for the inequality symbol '>'?

Back

Greater Than

Front

How do you represent the phrase 'the sum of a number and 5 is less than 10' as an inequality?

Back

x + 5 < 10