Уравнение x+ 3(4х + 1) = 3(х - 3)

Question

Уравнение
x+ 3(4х + 1) = 3(х - 3)

Comments

х + 3(4х + 1) = 3(х - 3)

Answer 1

X+ 3(4х + 1) = 3(х - 3)
13*x + 3 = 3*x - 9
13х-3х=-9-3
10х=-12
х=(-12)/10
х= -1,2
Вроде так