Mathematics: Solve 56 − 7 x = 2 for x.

Solve 56 − 7 x = 2 for x. - id567214607038, ronaldotheexplorer12

Ответ:

GiselNeedsHelp101

18.10.2021

Mathematics

$x=\frac{54}{7}$

Step-by-step explanation:

1) Rearrange Terms

$56-7x=2\\-7x+56=2$

2) Subtract 56 from both sides of the equation

$-7x+56=2\\-7x+56-56=2-56$

3) Simplify

A. Subtract the numbers

$-7x+56-56=2-56\\-7x=2-56$

B. Subtract the numbers

$-7x=2-56\\-7x=-54$

Result: -7x=-54

4) Divide both sides of the equation by the same term

$-7x=-54\\\frac{-7x}{-7} =\frac{-54}{-7}$

5) Simplify

A. Cancel terms that are in both the numerator and denominator

$\frac{-7x}{-7} =\frac{-54}{-7\\}\\x=\frac{-54}{-7}$

B. Divide the numbers

$x=\frac{54}{7}$

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Ответ:

angsoccer02

08.09.2022

Mathematics

d) by the cross product property, ab^2 = bc multiplied by ad

step-by-step explanation:

we are given

in the given triangle abc

angle a is 90° and segment ad is perpendicular to segment bc

we can see that

triangle(abc) and triangle(abd) are similar because they have common side and same angle (90 degree)

so, triangles(abc) and abd are similar

since, they are similar

so, the ratio of their sides must be equal

we get

$\frac{ab}{bc} =\frac{ad}{ab}$

now, we can cross multiply

and we get

$ab\timesab=ad\times bc$

$ab^2=ad\times bc$

so, this could be step to prove it

Seth is using the figure shown below to prove pythagorean theorem using triangle similarity: in the

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Solve 56 − 7 x = 2 for x.

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