Does anyone know how to do this (algebra 2)

There are several unique characteristics of qualitative research that make it distinct from quantitative research. describe the aspects of qualitative research and the elements of design that contribute to the rigor of the work. what actions of the researcher can compromise the integrity of the findings?

Pls! does anybody know a shortcut for answering these types of questions in the future?

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7