Solve the sytems of equations by substitution

x=-4y

x+5y=2

How are equivalent fractions used in writing a sum of two like fractions in simplest form

578 business and personal emails there are 30 fewer personal emails so how many personal emails

Find the area of the figure. Assume the figure is made up of triangles. A. 98 cm² B. 147 cm² C. 196 cm² D. 294 cm²

The numbers 81, 45,27 are multiplies of

Use properties to find the sum 93 + (68+7)

The length of a rectangle is 4 times the width. The perimeter is 90 cm. Find the width and length.

Suppose that today (year 0) your car is worth $17,000. Each year your car loses 10% of its value, but at the end of each year you add customizations to your car which increase its value by $20. Write a recurrence relation to model this situation.

Jenny saved 1/6 of her paycheck and saves 2/5 of the remaining amount. What fraction of her total paycheck is saved?

Y varies directly with x how do I find y when I know x

Create an equivalent system of these equations and test your solution x + y = 1 x 3y = 9