Solving Real-World Linear Problems

Front

What is a linear equation?

Back

Front

How do you solve for a variable in a linear equation?

Back

To solve for a variable, isolate the variable on one side of the equation using inverse operations (addition, subtraction, multiplication, division) to maintain equality.

Front

What does it mean to 'decrease a number by 9'?

Back

Front

How do you represent 'three times a number' mathematically?

Back

Front

What is the equation for 'two times a number plus five equals 15'?

Back

Front

How do you find two consecutive integers?

Back

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Front

If you spent a total of $11 on a magazine for $8 and erasers, how do you find the cost of each eraser?

Back

Subtract the cost of the magazine from the total: $$11 - 8 = 3$$. Then divide by the number of erasers: $$3 / 6 = 0.50$$.

Front

What does it mean for two numbers to have a sum of 45?

Back

It means that when you add the two numbers together, the result is 45.

Front

How do you set up an equation for 'a number decreased by 9 is 15'?

Back