Question

Help what is 25(d-12)=4 &explain how to solve it

Answer 1

25d-300=4
collect the like terms to one side:
25d=300+4
can u carry on to the answer now?

Answer 2

No I'm still confused

Answer 3

what specifically confuses you?

Answer 4

Expand the brackets.
(25x d) - (25 x-12)=4
This would give you:
25d-300= 4

Move -300 to the other side by doing the opposite of -300 which is +300.
25d-300+300= 4+300
(-300 +300=0 (so it cancels out and is left with 25d=300+4))

Simplify:
25d=304
divide both sides by25:
25d/25 = 304/25

d=12.16