Question

D+30=1.8d please help me solve this step by step asap

Answer 1

37.5=d

Explanation:

d+30 = 1.8d

add coefficient 1 to D so it's less confusing

1d +30 = 1.8d

isolate d

-1d

30= .8d

multiply by inverse to make d 1 whole

× 5/4 or 1.25

37.5 = d