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4 votes
1 + 2b – 13 = 12 – 4b – 2b for b

User Chanda
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2 Answers

3 votes
the answer is b=3 for your problem
User Mutual Exception
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8.2k points
5 votes
remember you can do anything to an equation as long as you do it to both sides

1+2b-13=12-4b-2b
1-13+2b=12-6b
-12+2b=12-6b
add 6b both sides
-12+6b+2b=12+6b-6b
-12+8b=12+0
-12+8b=12
add 12 both sides
12-12+8b=12+12
0+8b=24
8b=24
divide both sides by 8
(8b)/8=24/8
(8/8)b=3
1b=3
b=3
User Rjschnorenberg
by
7.6k points

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