\(c,3x+91=-2\\ 3x=-2-91\\ 3x=-93\\ x=-31\\ c,-18x=36\\ x=-2\\ c,-152-\left(3x+1\right)=54\\ 3x+1=-152-54\\ 3x+1=-206\\ 3x=-206-1\\ 3x=-207\\ x=-69\)
`x + x + x + 91 = -2`
`<=> 3x + 91 = -2`
`<=> 3x = -2 - 91`
`<=> x = -93 : 3`
`<=> x = -31`
`(-1)(-3)(-6)x = 36`
`<=> x = 36 : (-1) : (-3) : (-6)`
`<=> x = -2`
`c) -152 - (3x + 1) = -2 . (-27)`
`<=> -152 - (3x + 1) = 54`
`<=> 3x + 1 = -152 - 54`
`<=> 3x + 1 = -206`
`<=> 3x = -207`
`<=> x = -69`
c) x + x + x + 91 = -2
3x = -2 - 91
3x = -93
x = -93 : 3
x = -31
c) (-1).(-3).(-6)x = 36
-18x = 36
x = 36 : (-18)
x = -2
c) -152 - (3x + 1) = (-2).(-27)
-152 - (3x + 1) = 54
3x + 1 = -152 - 54
3x + 1 = -206
3x = -206 - 1
3x = -207
x = -207 : 3
x = -69
c) \(x+x+x+91=-2\)
\(\Rightarrow3x+91=-2\)
\(\Rightarrow3x=-2-91=-93\)
\(\Rightarrow x=-93\div3=-31\)
c) \(\left(-1\right)\left(-3\right)\left(-6\right)x=36\)
\(\Rightarrow3.\left(-6\right)x=36\)
\(\Rightarrow-18x=36\)
\(\Rightarrow x=36\div\left(-18\right)=-2\)
c) \(-152-\left(3x+1\right)=\left(-2\right).\left(-27\right)\)
\(\Rightarrow-152-\left(3x+1\right)=54\)
\(\Rightarrow-152-3x-1=54\)
\(\Rightarrow-3x-1=54+152=206\)
\(\Rightarrow-3x=206+1=207\)
\(\Rightarrow x=207\div\left(-3\right)=-69\)
