Answer:
[tex]3(x - 15) = 30 \\ multiply \: in \: between \: brcket \\ 3x - 45 = 30 \\ 3x = 30 + 45\\ 3x = 75 \\ x = \frac{75}{3} = 25 \\ thank \: you[/tex]
x is 25
Step-by-step explanation:
3 ( x - 15) = 30
3x - 45 = 30
3x = 30 + 45
3x = 75
x = 25
