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I’m really bad at math can someone please help me??

I’m really bad at math can someone please help me??-example-1
User Meshantz
by
4.8k points

2 Answers

5 votes

Answer:

Answer is 24

Explanation:

Multiply by the l.c.m which is 4.

-20+3b = 52

3b = 52+20

3b = 72

b = 24

User Andre Guerra
by
4.6k points
2 votes

Answer: b = 24

Explanation:

-5 + 3/4b = 13

Add 5 to each side

3/4b = 18

Now, we know that 3/4 = 0.75, so divide each side by 0.75

b = 24

We can also plug this into the equation to check it.

-5 + 3/4(24) = 13

3/4(24) = 18

-5 + 18 = 13

13 = 13

User Yograj Shinde
by
5.1k points