Sagot :
have to isolate the variable. divide everything by 3 so the problem would now be y=5x-4
first you divide both sides by three.
3y=15x-12
/3 /3 /3
y=5x-4
y cannot be solved in this equation, but you should get y by it self.
3y=15x-12
/3 /3 /3
y=5x-4
y cannot be solved in this equation, but you should get y by it self.