Answer:
y=7
Step-by-step explanation:
73+3y−4=90
Step 1: Simplify both sides of the equation.
73+3y−4=90
73+3y+−4=90
(3y)+(73+−4)=90(Combine Like Terms)
3y+69=90
3y+69=90
Step 2: Subtract 69 from both sides.
3y+69−69=90−69
3y=21
Step 3: Divide both sides by 3.
3y/3=21/3