2+a/4=-1 invervse opperation

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides