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Algebra Level 1

12 x + 8 x = 1734 + 2.66 x \large 12x + 8x = 1734 + 2.66x

If x x is a number satisfying the above equation, find the value of x x .


The answer is 100.

Galen Buhain by Galen Buhain , 18, Philippines

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3 solutions

Mohammad Khaza
Jul 23, 2017

12 x + 8 x = 1734 + 2.66 x 12x +8x=1734+2.66x

or, 20 x − 2.66 x = 1734 20x-2.66x=1734

or, 17.34 x = 1734 17.34x =1734

or, x = 1734 17.34 x= \frac {1734}{17.34}

or, x = 100 x=100

2 Helpful 1 Interesting 1 Brilliant 0 Confused
Nikhil Raj
Jun 7, 2017

12 x + 8 x = 1734 + 2.66 x 17.34 x = 1734 x = 100 12x + 8x = 1734 + 2.66x \\ 17.34x = 1734 \\ x = \huge \boxed{100}

0 Helpful 0 Interesting 0 Brilliant 0 Confused

Your answer is the biggest.

A Former Brilliant Member - 3 years, 7 months ago
Galen Buhain
Dec 20, 2015

12x+8x=1734+2.66x

12x+8x-2.66x=1734

17.34x=1734

x=100

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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