I need help with algebra

Algebra
Tutor: None Selected Time limit: 1 Day

1/2 +7x/10= 13/20

Please help me with this problem!!!!!!! 

Sep 14th, 2015

Thank you for the opportunity to help you with your question!

We need to find the value of x,

1/2 + 7x/10=13/20

7x/10=13/20-1/2=(13-10)/(20)=3/20

Now

7x/10=3/20    (i)

multiply both sides of (i) by 10/7 as shown below

(7x/10)(10/7)=(3/20)(10/7)

x=3/14

as a check

1/2+7/10(3/14)=(70+21)/(140)=91/140=13/20

Please let me know if you need any clarification. I'm always happy to answer your questions.
Sep 14th, 2015

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