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2a + 4b = d for b I trying to solve for b. I don't understand how to isolate the variable.
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4 votes
2a + 4b = d for b

I trying to solve for b.
I don't understand how to isolate the variable.

User Zrg
by
8.3k points

1 Answer

3 votes
2a+4b=d
we subtract 2a from both sides
2a-2a+4b=d-2a
simplify
4b=d-2a
divide by 4

(4b)/(4) = (d - 2a)/(4)
simplify

b = (d - 2a)/(4)
User Akshay Gundewar
by
9.1k points
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