Substitution

Algebra Level 1

If x = 5 x = 5 , then what is the value of 10 x + 4 \dfrac{10}x + 4 ?


The answer is 6.

Milette Baliber by Milette Baliber , 24, Philippines

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3 solutions

Mohammad Khaza
Jul 16, 2017

x=5 ,

so, 10 x + 4 \frac {10}{x} +4 = 2 + 4 2+ 4 = 6 6

1 Helpful 0 Interesting 0 Brilliant 0 Confused

I solved this mentally.

0 Helpful 0 Interesting 0 Brilliant 0 Confused

The value of x is inserted into 10/x + 4 => x = 5, so : 10/5 + 4 = 2 + 4 = 6

Easy ^_^

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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