Each side of a square is (7 + 3x) units. Which is the perimeter of the square?

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.

Write the equation in logarithmic form m^x=n

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length