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5 votes
Solve 3.2b-4.7=3b-3.3

User Grady
by
5.2k points

2 Answers

4 votes

➣ Assignment:
\bold{Solve \ Equation: \ 3.2b-4.7=3b-3.3}

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➣ Answer:
\boxed{\bold{b=7}}

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Explanation: ↓↓↓↓↓

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➤ [ Step One ] Multiply Both Sides By 10


\bold{3.2b\cdot \:10-4.7\cdot \:10=3b\cdot \:10-3.3\cdot \:10}

➤ [ Step Two ] Refine


\bold{32b-47=30b-33}

➤ [ Step Three ] Subtract 30b From Both Sides


\bold{32b-30b=30b+14-30b}

➤ [ Step Four ] Simplify


\bold{2b=14}

➤ [ Step Five ] Divide Both Sides By 2


\bold{(2b)/(2)=(14)/(2)}

➤ [ Step Six ] Simplify


\bold{b=7}

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\bold{\rightarrow Mordancy \leftarrow}

User Sneh
by
4.7k points
4 votes

Add 4.7 to both sides

3.2b = 3b - 3.3 + 4.7

Simplify 3b - 3.3 + 4.7 to 3b + 1.4

3.2b = 3b + 1.4

Subtract 3b from both sides

3.2b - 3b = 1.4

Simplify 3.2b - 3b to 0.2b

0.2b = 1.4

Divide both sides by 0.2

b = 1.4/0.2

Simplify 1.4/0.2 to 7

b = 7

User Shay Jacoby
by
5.3k points