X x 18=9x ??? what number is missing

asked Jul 10, 2023 6.3k views

2 votes

3.1k points

Please log in or register to add a comment.

4 votes

x + 18 = 9x

collect like terms

18 = 9x - x

18 = 8x

Divide through by 8

$\begin{gathered} (8x)/(8)\text{ = }(18)/(8) \\ x\text{ = }(18)/(8)\text{ = }(9)/(4) \end{gathered}$

Jim Riordan answered Jul 16, 2023

3.1k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.6m questions

4.6m answers