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Mathematics 18 Online
OpenStudy (anonymous):

2 x + 5 = 9 x – 16

Parth (parthkohli):

1) Subtract 2x from both sides. 2) Add 16 to both sides.

OpenStudy (kamille):

2 x + 5 = 9 x – 16 2x-9x=-16-5 -7x=-21|:(-7) x=3

OpenStudy (anonymous):

x=3 combine like terms

Parth (parthkohli):

\(\Large \color{purple}{\rightarrow 2x + 5 = 9x - 16 }\) \(\Large \color{purple}{\rightarrow 5 = 7x - 16 }\) \(\Large \color{purple}{\rightarrow 7x = 21 }\) \(\Large \color{purple}{\rightarrow x = 21 \div 7 = 3 }\)

Parth (parthkohli):

x = 3

OpenStudy (anonymous):

take the x variable one side and other in other side and solve it 7x=21 x=21/7=3

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