8 Divided by What Equals 42?

Accepted Solution

8 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 8 by to equal 42? Solving 8 Divided by What Equals 42 Here’s how you would set up this question as an equation: 8 x = 42 \frac{8}{x} = 42 x 8 ​ = 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 8: 8 = 42 ∗ x 8 = 42*x 8 = 42 ∗ x Then we can isolate x on the right side of the equation by dividing both sides by 42: 8 42 = x \frac{8}{42} = x 42 8 ​ = 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 = 0.190 x = 0.190 x = 0.190 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 82 equals 43? 4 divided by what equals 1? What is 19/20 divided by 48? What is 15/2 divided by 1/17? What is 21 divided by 7/16?