Shelby has a yard of ribbon. She needs a total of yard to complete a craft. The equation + = represents this situation, where x is the amount of ribbon Shelby needs to buy
How much ribbon does Shelby need to buy to complete her craft?

Moesha is (3g+1) years old and shanti is twice moesha age. find the sum of the ages of moesha and shanti in 2 years time. how old will shanti be when moeshas age in twice her present age? find how old moesha and shanti were 4 years ago if g= 5