Isolate the variable by putting numbers over the equal sign and multiplying/dividing. I'll do them for you A. 7+3m=-29 3m=-29-7 3m=-36 M=-12 B. -5x+7=26 -5x=26-7 -5x=19 X=-3.8 C. 31=4-9y 31-4=-9y 27=-9y -3=y D. -52-3u=8 -3u=8+52 -3u=60 U=-20 E. 6-x=15 -x=15-6 -1x=9 X=-9 Hope this helps