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Simplify 7x + 3 + 4x − 5 by collecting like terms.
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Simplify 7x + 3 + 4x − 5 by collecting like terms.
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Expand and simplify 3(2a + 5) + 4a.
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Which expression is equivalent to 5(2m − 3) − m?
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A student writes 4(2r + 3) + r = 8r + 3 + r = 9r + 3. Which statement correctly explains the student's error?
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There are four identical boxes. Each box contains 3b + 2 counters, and there are another 2b counters outside the boxes. Which expression gives the total number of counters in simplest form?
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Expression A is 3(2h − 1) + 4h, and Expression B is 10h − 3. Which statement is correct?
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A constant is used in k(2t + 3) + t. After expanding and collecting like terms, the result is 9t + 12. What is k?
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Simplify 6 − 2(3y − 4) + 5y.
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The diagram uses algebra tiles. Which expression represents all the tiles in simplest form?
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The diagram shows a rectangle. Which expression gives its perimeter in simplest form?