0
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10.
Then the number is 3
7
2n + 3
2x + 3
2x+3 where x is the unknown number
3
x=-3 or x=5
Three more than twice a number.
Type your answer here... 3 and 82
2x+3=11
the equation is 2x + 4 = x - 3 solving it yields x = -7
2x-3=x+2 answer x=5