Answer:
[tex]x = 25[/tex]
Step-by-step explanation:
[tex](4x) + (5 + 3x) = 180[/tex]
[tex]4x + 5 + 3x = 180[/tex]
[tex]7x + 5 = 180[/tex]
[tex]7x = 180 - 5[/tex]
[tex]7x = 175[/tex]
[tex] \frac{7x}{7} = \frac{175}{7} [/tex]
[tex]x = \frac{175}{7} [/tex]
[tex]x = 25[/tex]
