For those who get stuck after finding two solutions to quadratic word problems — 4 steps to decide 'which one to discard' (3rd year junior high)

You learned quadratic equations in the summer and can solve them now. You can use both factoring and the quadratic formula.

Don't set up equations for saline word problems using concentration — 4 steps to follow only the "amount of salt"

I understand how to solve equations. I can transpose terms and remove parentheses. Yet, the moment a word problem appears, ...
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Create a system of equations from a word problem

👉Learn how to solve a system of linear equations from a word problem. A system of equations is a set of more than one equation that is to be solved simultaneously. A word problem is a real-world ...