Write an algebraic expression for each quantity.Let x represent the unknown value. A) three more than half of a number B) double a quantity increased by nine

jeew-m | College Teacher | (Level 1) Educator Emeritus

Let Y be the number we want and x represent the unknown value.

Value we want = Y

Unknown = x

condition = three more than half of a number

So we can write the algebraic expression as;

Y = (x/2)+3

Value we want = Y

Unknown = x

condition = double a quantity increased by nine

So we can write the algebraic expression as;

Y = 2x+9

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