3 years ago

Cuanto es 7x8-(31-61)

Mathematics

1 answer:

Crazy boy [7]3 years ago

5 0

Answer:

la respuesta es 86

Step-by-step explanation:

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What is the answer to -5(-3w-8)=21 for w

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Pleaseeee helpppp!!!!

kondor19780726 [428]

The right answer is Option A: $x=\frac{rs-t}{2}$

Step-by-step explanation:

Given expression is;

$s=\frac{2x+t}{r}$

We will solve this expression for x, therefore,

Multiplying both sides by r

$r*s=\frac{2x+t}{r}*r\\rs=2x+t$

Subtracting t from both sides

$rs-t=2x+t-t\\rs-t=2x\\2x=rs-t$

Dividing both sides by 2

$\frac{2x}{2}=\frac{rs-t}{2}\\x=\frac{rs-t}{2}$

The right answer is Option A: $x=\frac{rs-t}{2}$

Keywords: subtraction, division

Learn more about subtraction at:

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Expand, simplify..... :- /

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Simplifying makes a algebric expression easily understandable and solvable.

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