Grade 7 math · N.11 · Simplify expressions
Evaluate linear expressions with positive values
Replace each letter with its value. Put parentheses around negative values.
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Evaluate −5x + 4 when x = 9.
Answer: -41
Evaluate 2x − 1 when x = 7.
Answer: 13
Evaluate x + 1 when x = 1.
Answer: 2
Tip: Replace each letter with its value. Put parentheses around negative values.
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- Next in this topic Evaluate linear expressions with negative values Grade 7
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