montratowles montratowles

17-12-2014
Mathematics

Answered

Write an equation that represents the problem, then solve the problem.

Seven-fourths decreased by a number is 2. Find the number

Answer :

apologiabiology apologiabiology

17-12-2014

so 7/4 decreased by a number -x is 2 =2 or
7/4-x=2
add x to both sides
7/4=2+x
subtract 2 from both sides
2=8/4
7/4-8/4=-1/4
x=-1/4

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