OpenStax, Prealgebra 2e §9.7 Solve a Formula for a Specific Variable · Exercise 31 · Algebra · Algebra word problems

Solve a Formula for a Specific Variable · Exercise 31

Solve.

Solve the formula $3 x + y = 7$ for $y :$
ⓐ when $x = - 2$
ⓑ in general

~5 minWritten answer · compare with the solution

OpenStax, Prealgebra 2e · §9.7 Solve a Formula for a Specific Variable · Exercise 31

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