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Anonymous
4x-11=21 +11 +114x=32/4 /4x=8CHECK:4(8)-11=2132-11=2121=21
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A + 9 = 21 A = 21 - 9 A = 12
0.5x=18 x=36
-30x=6.3 x=-.21
5
3x-6 = 21 3x = 21+6 x = (21+6)/3 x = 9 You shouldn't ask us to solve your math homework.