Question

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

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

Answer 1

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