tweety1 tweety1

02-02-2015
Mathematics

contestada

x+y=10 x-y=20 how do you solving systems of equations with elimination

Respuesta :

konrad509 konrad509

02-02-2015

[tex]x+y=10\\ \underline{x-y=20}\\ 2x=30\\ x=15\\\\ 15+y=10\\ y=-5\\\\ \boxed{(x,y)=(15,-5)}[/tex]

Answer Link

Otras preguntas

Question: 4 x 1 2/5 Answer with a mixed number in simplest form!

which two middle east leaders signed the document allowing palestinian self-rule in the Gaza strip?

Convert to a mixed number 8/5

According to socialist supporters, what impact did industrialization have on workers? A. Instead of being dignified artisans, workers were now laborers for a bo

Find a • b. a = 5i + 7j, b = -4i + 3j (5 points) <1, 10><-20, 21>1 41

What product of photosynthesis is stored in chemical bonds? A. Water. B. Oxygen. C. Chemical energy. D. Solar energy.

A rectangular prism with a volume of 666 cubic units is filled with cubes with side lengths of 1/2 units . how many 1/2 unit cubes does it take to fill the pr

Please help with the excercise

Nature's Garden, a new restaurant situated on a busy highway in Pomona, California, specializes in a chef's salad selling for $7. Daily fixed costs are $1,710,

Portal Palace is a door manufacturer that is considering moving into a new regional market. Which of the following would be information on a balanced scorecard?