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If: 7+t = 11
Then: t = 11-7
So: t = 4
9y subtract 11 equals 7
You subtract 11 from both sides and r equals negative 7. See... r+11=3 -11 -11 r=7
2x+3 = -11 2x = -11-3 2x = -14 x = -7
11 + 7 + 9 = 27
22
7
-7 + 11 = +4
n= -2
11
-11
36
x=7