Answer:
x = 14
Step-by-step explanation:
Solving equation
3(x + 1) = 45
3*x + 3*1 = 45 {Distributive property used: a*(b+c) =(a*b) +(a*c)}
3x + 3 = 45
Subtract 3 from both sides
3x = 45 - 3
3x = 42
Divide both sides by 3
x = 42/3
[tex]\sf \boxed{\bf x = 14}[/tex]
