(という)わけ{ではない/じゃない}

Usage

Is used to deny a statement. The use of という does not change the statements meaning. It's not that -; It doesn't mean that -; It's not the case that

Examples

漢字が苦手だと言っても、全然書けないわけではない。 Its not that you cannot write anything if you are bad at Kanji.

試験の点がよければいい成績が取れるというわけではない。宿題やプロジェクトも大切だ。 If the result of the test is good it does not mean the grade will be good. Homework and projects are also important.