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Dennis_Churaev [7]
3 years ago
7

Question:

Mathematics
1 answer:
-Dominant- [34]3 years ago
6 0
C I took the tests on eg today
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3(5a-b) - 2(3a-b) answer step by step​
tiny-mole [99]

Answer:

9a-b

Step-by-step explanation:

1) 3 (5a - b) - 2 (3a - b)

15a - 3b - 2 (3a - b)

2) 15a - 3b - 2 (3a - b)

15a - 3b - 6a + 2b

3) 15a - 3b - 6a + 2b

9a - 3b + 2b

4) 9a + 3b + 2b

9a - b

4 0
3 years ago
1. 4<7 Multiply both sides by 7, then by 6, then by 3, then by 10
erastova [34]

Answer:No, it didn't affect the inequality sign because we multiplied and divided by a negative number. In the 4th operation, the inequality sign changed because we divided by a negative number

Step-by-step explanation:

3 0
3 years ago
for 3 weeks, you earn 1.05 per day for doing around the house . your parents give you a 7.50 bonus . how much money do you have
gladu [14]
Multiply 3 times 1.05= 3.15, that is who much he got in 3 weeks.now add 3.15 and 7.50 witch is 10.65
4 0
3 years ago
Perform the indicated operation.<br>(3x - 4)2
pashok25 [27]

Answer:

6x-8

Step-by-step explanation:

you multiply 2*3x=6x then 4*2=8

therefore 6x-8=(3x-4)2

8 0
3 years ago
Read 2 more answers
What is the answer to m diveded by 8-7=12
lesya [120]
<span>We simplify the equation to the form, which is simple to understand
<span>m/8-7=12

</span></span><span>Simplifying:
<span> + 0.125m-7=12

</span></span><span>We move all terms containing m to the left and all other terms to the right.
<span> + 0.125m=+12+7

We simplify left and right side of the equation.
<span> + 0.125m=+19

We divide both sides of the equation by 0.125 to get m.
<span>m=152

Hope this helps :)♥

</span></span></span></span>
7 0
3 years ago
Read 2 more answers
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