The phrase "not equally affected" is correct and can be used in written English.
For example: Some countries have been more heavily impacted by the pandemic than others, but all have not been equally affected.
"I've seen marriages go down because people are not equally affected by it and one spouse thinks the other is imagining things".
The different brain regions were, however, not equally affected.
Products are not equally affected: female condoms are not affected by advertising, but highly affected by interpersonal communication and HIV prevalence.
However, the three species were not equally affected, suggesting that the choice of resistant species could be crucial for restoration success.
Different multi-channel approaches are not equally affected by the arrival rate as can be seen in Figure 9, where expected delays are depicted as a function of arrival rate.
No relevant changes were apparent in nBR R2 latencies and nBR areas under the curve (Figure 3B, Table 3) so that brainstem trigeminal nociceptive processing is not equally affected by tDCS.
I cannot think of a single piece by this poet-artist that is not equally affecting and concise.
These difficulties for possibilism do not equally affect all versions of the doctrine.
For instance, there's Stacey Abrams, who's running for governor of Georgia and has been vocal about the fact that student loan-debt does not equally affect everyone.
Lack of Prkg1 did not equally affect NREMS and REMS.
Our results show that the presence of glucose does not equally affect β-glucosidase activities from T. reesei or A. niger.
