How do you solve $7b-10+31=9b$ ?

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Answer 1 · 2018-03-14T04:04:55

$21/2$ or $10.5$ in decimal form.

Start by subtracting the variables, so $9b-7b=2b$ . After that, you want to add $31+(-10)=21$

So

21 = 2b#

Then divide both sides by $2$ to get

$21/2 = b$

or

$b = 10.5$

How do you solve 7b-10+31=9b7b-10+31=9b?