How do you solve $7b-20=3b+12$ ?

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Answer 1 · 2018-03-25T19:51:10

$b=8$

Combine like terms first. Subtract $3b$ from the right side and left side. This makes the equation now read

$4b-20=12$

Add $20$ on the left and right side to simplify further, creating

$4b=32$

Divide both sides by $4$ to get

$b=8$

Answer 2 · 2018-03-25T19:52:51

$b=8$

$7b-20=3b+12 rarr$ Add 20 to each side

$7b=3b+32$

$4b=32 rarr$ Divide each side by 4

$b=8$

How do you solve 7b-20=3b+127b-20=3b+12?