Solving equations...
4+3x=5
What is X?

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups

Rewrite so the subject can be y in the formula d=m-y/y+n