Question

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Answer 1

Respuesta:

*  5x+20x=125

25x=125

x=125/25

x=5

* 18x--6x=36

12x=36

x=36/12

x=3

* 10x+15=4x+63

10x--4x=63--15

6x=48

x=48/6

x=8

*12x+60=80+10x

12x--10x=80--60

2x=20

x=20/2

x=10

*4x+8x+20x=480

32x=480

x=480/32

x=15

*50x--7x--25x=108

18x=108

x=108/18

x=6

Explicación paso a paso:

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Answer 2

Respuesta:

$5x+20x=125\\\\25x=125\\\\\frac{25x}{25}=\frac{125}{25}\\\\x=5$

_________________________

$18x-6x=36\\\\12x=36\\\\\frac{12x}{12}=\frac{36}{12}\\\\x=3$

_________________________

$10x+15=4x+63\\\\10x+15-15=4x+63-15\\10x=4x+48\\10x-4x=4x+48-4x\\6x=48\\\frac{6x}{6}=\frac{48}{6}\\x=8$

_________________________

$12x+60=80+10x\\\\12x+60-60=80+10x-60\\12x=10x+20\\12x-10x=10x+20-10x\\2x=20\\\frac{2x}{2}=\frac{20}{2}\\x=10$

_________________________

$4x+8x+20x=480\\\\32x=480\\\\\frac{32x}{32}=\frac{480}{32}\\\\x=15$

_________________________

$50x-7x-25x=108\\\\18x=108\\\\\frac{18x}{18}=\frac{108}{18}\\\\x=6$