Solving Equations Functions

If f(x) = 10, what is the value of x?

x + 2 = f(x)

Mathematical Equivalence

ON

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Which equation has x = 5 as the solution?

• x + 15 = 10

• 2x = 5

• 2x = 10

• x/2 = 10

Please solve this equation

• m = 18

• m = 2 ¹/₈

• m = 424

• None of these match my answer

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What is the coefficient in this expression? 3x=21

• 3

• x

• 21