crystalsandoval crystalsandoval

17-10-2016
Mathematics

contestada

What is the x-coordinate of the solution to the system?
2x−3y=−27
−3x+2y=23

a. −6−6

b. −3

c. 1

d. 5

Respuesta :

mikearnold1593 mikearnold1593

17-10-2016

I think it would be easiest to solve for x in this system of equations if you did so by elimination:
Start by finding the least common multiple of 3 and 2 to make the Ys cancel:
4x-6y=-54
-9x+6y=69
_________
-5x=15
x=-3 - answer B

Answer Link

Otras preguntas

Fred completed 10 math problems. That is 40% of the number of math problems he has to do. How many math problems must he do?

Qué te gusta hacer en el verano? A. Me gusta esquiar. B. No me gusta nada. C. Me gusta nadar. D. Sí, me gusta.

80% of British deaths were caused by what in ww1

If two lines intersect and create two angles adjacent to each other which measure 10x + 8 and 5x + 7, what is the value of x?

What are some of the responsibilities and challenges associated with parenting?

which represents a quadratic function? f(x) = 2x3 2x2 – 4 f(x) = –7x2 – x 2 f(x) = –3x 2 f(x) = 0x2 3x – 3

. Reference books that contain words of similar meaning and opposite meaning are called A. encyclopedias. B. thesauruses. C. dictionaries. D

What is the exact volume of the cylinder? A.) 18π in3 B.) 36π in3 C.) 54π in3 D.) 63π in3

An unstable government is one that __________. A. is democratically elected B. is authoritarian C. changes hands frequently D. provides for its citizens

What's all the numbers that round up to 240