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3 years ago

Whats the answer to x+3/4=5/8

Mathematics

2 answers:

Lerok [7]3 years ago

7 0

Answer:

-1/8 = x

Step-by-step explanation:

turn the 3/4 into 6/8 so the denominators match on both sides

subtract 6/8 from both sides

the right side is now -1/8

x equals -1/8

sorry if it does it make sense.. ^_^;;

anyanavicka [17]3 years ago

3 0

Answer:

Exact Form:

x=−18x=-18

Decimal Form:

x=−0.125x=-0.125

Step-by-step explanation:

Move all terms not containing xx to the right side of the equation

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3 years ago

(Name all sets to which each value belongs. Rational, irrational, whole or natural.

saw5 [17]

Answer:

Step-by-step explanation:

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Moderators i have not copied this ans

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3 years ago

Find two numbers, if their sum is −11 and their difference is 41

snow_tiger [21]

The larger one is (-11 + 41)/2 = 15.

The smaller one is (-11 -41)/2 = -26.

_____

For two numbers a and b with sum s and difference d, you can write the equations

$a+b=s\\a-b=d$

Then adding the equations and dividing that sum by 2, you get

$(a+b)+(a-b)=(s)+(d)\\2a=s+d\\a=\dfrac{s+d}{2}$

You can subtract the second eqution from the first and get a similar result for the smaller number

$(a+b)-(a-b)=(s)-(d)\\2b=s-d\\b=\dfrac{s-d}{2}$

These are the formulas we used above.

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4 years ago