How do you solve - 35+5r=4 (r-7)

-35+5r=4 (r-7)

Multiply the bracket by 4

(4) (r) (4) (-7)

4r-28

-35+5r=4r-28

Move 4r to the other side. Sign changes from + 4r to - 4r.

-35+5r-4r=4r-4r-28

-35+5r-4r=-28

-35+r=-28

Move - 35 to the other side. Sign changes from - 35 to - 35.

-35+35+r=-28+35

r=7

Answer: r=7