You are buying two kinds of notebooks for school. A spiral notebook costs $2, and a three-ring notebook costs $4. You must have
at least six notebooks. The cost of the notebooks can be no more than $20. Given the graph of the linear system, which system is the solution of the real-world problem?
1 answer:
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Move all the x's to one side of the equation. This is a step necessary to solve this equation.
Subtract both sides by x.
Flip equation. We always want to have the variable written on the left side.
Subtract both sides by 26.
Divide both sides by 4 to finish this off.
That's your answer. Have an awesome day! :)