AribelleH382511 AribelleH382511

28-10-2022
Mathematics

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Select all of the equations for which x=9 is a solution. x2=187x=4220−x11=145−2x=273(1+x)=30

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JayleannaQ110633 JayleannaQ110633

28-10-2022

Let us solve for x in each of the equations given to confirm which of them gives the solution x = 9

For x² = 18

x = √ 18

x = 4.24

That is, x ≠ 9

For 7x = 42

Divide both sides by 7

7x / 7 = 42/7

x = 6

That is, x ≠ 9

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