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Harlamova29_29 [7]
4 years ago
12

What is 77 = 4x + 57

Mathematics
1 answer:
Svetach [21]4 years ago
3 0

Answer:

x=5

Step-by-step explanation:

77=4x+57

Subtract 57 from both sides:

4x=20

Divide both sides by 4:

x=5

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The only integer that is less than -2 and greater than -3.5 is -3.

If you look at these on a number line, we need to look for numbers that come to the right of -3.5. The first one that we would come across is -3. This is also smaller than -2.

It's also important to note that -2 doesn't work because it says less than and not less than or equal to.

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A + 4 = 2b
Nataliya [291]

Answer:

a=21

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Step-by-step explanation:

from eq 1

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now, substituting value of a and c in eq 3

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then substitute value of b in :

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