Question

What is the answer for 1-3r=16

Answer 1

we have the equation

1-3r=16

Solve for r

that means

Isolate the variable r

step 1

subtract 1 on both sides

1-3r-1=16-1

-3r=15

step 2

Divide by -3 on both sides

-3r/-3=15/-3

r=-5