Respuesta :
Answer: [tex]r=1[/tex]
Step-by-step explanation:
First: Simplify both sides of the equation: [tex](-30)-6r=-36[/tex]
[tex](-30)+(-6r)=-36[/tex]
[tex](-6r)-30=-36[/tex]
Second: Add 30 to both sides: [tex]-6r-30+30=-36+30[/tex]
[tex]-6r=-6[/tex]
Thrid: Divide both sides by -6: [tex]-6r/-6 = 6/6[/tex]
Answer: [tex]r=1[/tex]