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Mnenie [13.5K]
3 years ago
12

Solve for x: 27=17+2x

Mathematics
2 answers:
slava [35]3 years ago
7 0

Hello!

Here's how to solve for x.

27=17+2x

Our first step is to subtract 17 from both sides, leaving us with

27-17=17(-17)+2x --- > 10=2x

We then divide both sides by 2 to isolate  x!

10/2=2x/2

10 divided by 2 gives us 5 meaning that x=5

EastWind [94]3 years ago
6 0

x = 5
move variable to left side and change its sign
27 = 17 + 2x
to
(you also move the constant to the right and change its sign)
- 2x = 17 - 27
and then calculate the operation in this case you find the difference
- 2x= 17 - 27 =  - 10 \\   - 2x =  - 10
you then divide both sides of the equation by -2 since the inverse operation of multiplying is division
x = 5
:) hope that helps
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