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x in (-oo:+oo)
7*(-(4*x)-2) = 182 // - 182
7*(-(4*x)-2)-182 = 0
7*(-4*x-2)-182 = 0
7*(-4*x-2)-182 = 0
-28*x-196 = 0
-28*x-196 = 0
-28*x-196 = 0 // + 196
-28*x = 196 // : -28
x = 196/(-28)
x = -7
x = -7
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