Mathematics: Solve the following solve for x in 2(21x − 7) + 4(3x + 2) = 6(2x + 9) + 3 you in advance!

Solve the following solve for x in 2(21x − 7)

Ответ:

angelicahouston8727

14.03.2022

Mathematics

Step-by-step explanation:

$2(21x - 7) + 4(3x + 2) = 6(2x + 9) + 3 \:$

$\rightarrow \: 42x - 14 + 12x + 8 = 12x + 54 + 3$

$\rightarrow \: 54x - 6 = 12x + 57$

$\rightarrow \: 42x = 63$

$x = \frac{63}{42}$

$x = \frac{3}{2}$

$\mathscr \fcolorbox{blue}{gray}{BE \: }$

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Ответ:

valencial0917

14.03.2022

Mathematics

2(21x − 7) + 4(3x + 2) = 6(2x + 9) + 3
42x - 14 + 12x + 8= 12x + 54 + 3
54x - 6= 12x + 57
54x=12x + 63
42x=63
x= 63/42
x= 3/2

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Ответ:

rnunez3

11.11.2020

Mathematics

By Pythagorean triple
a²+b²=c²,
c should be longest side
10²+14²=26²
100+196=676
296≠676
so sides do not form Pythagorean triple, it is not a right triangle

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Solve the following solve for x in 2(21x − 7) + 4(3x + 2) = 6(2x + 9) + 3 you in advance!

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