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Ksivusya [100]
3 years ago
6

Solving exponential equations with common bases

Mathematics
1 answer:
Alenkasestr [34]3 years ago
7 0
You might want to look at mathisfun or Khan academy
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3(0.7z+2.8)=7(1.5z+7.2)
AnnZ [28]

Answer:

z = -5

Step-by-step explanation:

3(0.7z + 2.8) = 7(1.5z + 7.2)

2.1z + 8.4 = 10.5z + 50.4

2.1z - 10.5z = 50.4 - 8.4

-8.4z = 42

z = 42/(-8.4)

z = -5

7 0
3 years ago
Solve for x: (5x + 12) = 18
Aleksandr [31]
Solutions 

<span>Simplify brackets 
</span>
5x+12=18 

Subtract 12 <span>from both sides 
</span>
5x=18-12 

Simplify <span>18−12</span><span> to </span>6 

5x=6 

Divide both sides by <span>5 
</span>
x=<span>6/<span>5</span></span>
5 0
4 years ago
Read 2 more answers
How does the circulatory system work at the tissue level?<br> Please help!
soldi70 [24.7K]

Answer:

Blood cells carry nutrients

Step-by-step explanation:

blood cells carry oxygen and other nutrients with them and that's how things like oxygen are supplied to tissues

8 0
3 years ago
8x+10-2x-2 what is the answer I need help
alekssr [168]
8x - 2x equals 6x, and 10 - 2 is 8, therefore the answer is 6x + 8
4 0
3 years ago
Rewrite in simplest terms: 10(7g-9h)-4h-8(-h+8g)
mestny [16]

Answer:

kfitcfcigchcifkfxihcycicoycoh

4 0
3 years ago
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