77 Divided by What Equals 42?

Accepted Solution

77 Divided by What Equals 42? Methods Setting up the problem: In a problem like this, the “what” means that we’re working with a variable. The most common variable used in math is “x”. So we could say what number, x can we divide 77 by to equal 42? Solving 77 Divided by What Equals 42 Here’s how you would set up this question as an equation: 77 x = 42 \frac{77}{x} = 42 x 77 ​ = 42 The goal of the problem is to solve for x. To do this we need to change the equation so that x is alone on one side of the equation.In this case, it can be done in two steps. The first step is to multiply both sides by x to isolate 77: 77 = 42 ∗ x 77 = 42*x 77 = 42 ∗ x Then we can isolate x on the right side of the equation by dividing both sides by 42: 77 42 = x \frac{77}{42} = x 42 77 ​ = x When we simplify the new equation, we can solve for x. In this example, we will round to the nearest three decimal places if that’s needed. x = 1.833 x = 1.833 x = 1.833 Practice Other Division Problems Like This One If this problem was a little difficult or you want to practice your skills on another one, give it a go on any one of these too! What divided by 87 equals 70? 51 divided by what equals 14? What is 10/7 divided by 66? What is 15/11 divided by 12/8? What is 86 divided by 1/9?