2a - I think of a number and double it, 3 + a - I think of a number and add three to it, a2 - I think of a number and multiply it by itself, 2n - 1 - I think of a number, double it, then subtract one., 5a – 7 - I think of a number, multiply by 5 then subtract 7, n/2 - I think of a number and divide it by two, 2(x + 1) - I think of a number, add one and double the answer, a3 - I think of a number and multiply it by itself and itself again, m + n - I think of two numbers and add them together,

Algebra match up

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