jahniece jahniece

24-07-2017
Mathematics

contestada

Find the value of two numbers if their sum is 12 and the difference is 4

Respuesta :

musiclover10045 musiclover10045

24-07-2017

x+y=12

x-y=4

x=y-4

y-4+y=12

2y-4=12

2y=16

y=8

x=8-4=8

8+4=12

the 2 numbers are 8 & 4

Answer Link

Otras preguntas

The scale on a map shows that 1 inch = 30 miles. If there are 4.5 inches between your present location and the place you want to go, how many miles do you have

Could someone please Help me.

Determine if the following sentence is a simple, compound, or complex sentence.

Select the dependent clause. When Reagan replaced her old air conditioner with a new energy-efficient model, she saved money on her electric bills.

Tiana's math certificate is 18 centimeters tall and 25 centimeters wide. Tiana wants to put the certificate in a fancy frame that costs $0.70 per centimeter. Ho

. Tim walks mile to school each day. He walks the same distance home. How far does he walk to and from school during a regular school week (5 days)?

The perimeter of a rectangle is 26 inches. If the width of the rectangles 5 inches what is the area of the rectangle

Can you help me solve 5(X+2)²= 4(X+3)

What is the party ??

Consider the points (−4,1) , (−4, 7) , and (1,1)