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3 cards from this section. Quick, good the night before a test.
Translate this word problem: 'Twice a number equals 12.'
Remember to use 'x' as the variable.
If a number minus 4 equals 10, what is the equation?
Identify the number and its relationship.
What does the variable in a word problem represent?
Think about what we don't know in the problem.
Is the equation x + 1 = 10 a linear equation?
Consider the format of the equation.
A number decreased by twice another number equals 10. If the first number is 15, what is the second number?
Write down what is known and express it mathematically.
The sum of three times a number and four is equal to 22. What is the number?
How can you express ‘the sum of three times the number and four’ algebraically?
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