Can some one help me please

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

What is this equation in point-slope form?

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)