Dhamijaavishi Dhamijaavishi
  • 03-05-2020
  • Mathematics
contestada

If x+y=4 and x−y = a, then what does x equal?

Respuesta :

DGBxBigxBrain
DGBxBigxBrain DGBxBigxBrain
  • 03-05-2020

Answer:

a/2+2

Step-by-step explanation:

Adding the 2 equations you get

2x=a+4 (divide by 2 so find x)

x=

a/2+2

Answer Link

Otras preguntas

PLEASE answer pic provided
HELP PWhich of the following describes the functions of the pancreas? I. It helps with digestion II. It filters the blood III. It produces insulin I and II I an
Suppose a student carrying a flu virus returns to an isolated college campus of 6000 students. Determine a differential equation governing the number of student
How did Katherine Johnson’s work in math affect us today?
Why was communism appealing to Europeans in the 1930’s
Paul went on a bike ride of 30 miles. He realized that if he had gone 8 mph faster, he would have arrived 12 hours sooner. How fast did he actually ride? Paul r
Help me please I'm a complete mess at maths! ​
Please helpppp: A caterpillar tries to climb straight up a wall two meters high, but for every 2 cm up it climbs, it slides down 1 cm. Eventually, it reaches th
Q2.What is the ratio of volumes of the two cylinders formed by rolling a sheet of dimensions lxb in two different ways? Q3.What is the height of a right circula
Please help me with this math problem I am lost, please