Question

solve the equation -88=5y-13

Answer 1

y = -15 is the answer and blah 

Answer 2

-88=5y-13
switch sides
5y-13=-88
add 13 to both sides
5y-13+13=-88+13
refine
5y=-75
divide both sides by 5
5y divide by 5 = -75 divided by 5

refine
y=-15