The answer is 21 because if 21 is divided by 3 it equals 7 plus 4 equals 11.
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1/3 + 2/5 = 11/15
2 over 3 plus 5 over 9 equals 11 over 9 or 1 and 2 ninths.
yes, if a=42a+3=112x4=88+3=11
3x + 11 = x + 3 2x = -8 x = -4
It is an equation and the value of x is 4