3x – 15 = 75
[tex] \huge\sf\orange{\overline{ \:\: \: \: \: \: \: \: \: \: \: \: }}[/tex]
[tex] \quad\quad\quad\quad\sf{3x \: – \: 5 \: = \: 75}[/tex]
[tex]\quad\quad\quad\quad\sf{3x \: – \: 5 \: + \: 5 = 75 + 5}[/tex]
[tex]\quad\quad\quad\quad\sf{3x = 80}[/tex]
[tex]\quad\quad\quad\quad\sf { \frac{3 \times }{3} = \frac{80}{3} } \\ [/tex]
[tex]\quad\quad\quad\quad\sf{ \times = \frac{80}{3}} \\ [/tex]
[tex] \sf{Therefore, \: the \: answer \: is \: x \: = \: 80/3} [/tex]
