OpenStax, Intermediate Algebra 2e §2.1 Use a General Strategy to Solve Linear Equations · Exercise 74 · Algebra · Linear equations
Use a General Strategy to Solve Linear Equations · Exercise 74
Stamps Paula bought $22.82 worth of 49-cent stamps and 21-cent stamps. The number of 21-cent stamps was eight less than the number of
49-cent stamps. Solve the equation
for s, to find the number of 49-cent stamps Paula bought.
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Intermediate Algebra 2e · §2.1 Use a General Strategy to Solve Linear Equations · Exercise 74
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