Answer:
[tex]x = 6[/tex]
Step-by-step explanation:
[tex]7x + 6 + 2x = 60 \\9x + 6 = 60[/tex]
add [tex]-6[/tex] to both sides
[tex]9x + 6 - 6 = 60 - 6 \\9x = 54[/tex]
Divide both sides by [tex]9[/tex]
[tex]\frac{9x}{9} = \frac{54}{9}[/tex]
[tex]x = 6[/tex]
