aydensmommy0786 aydensmommy0786

22-01-2021
Mathematics

contestada

What is the solution to this system of equations?

X+ 2y = 4
2x-2y = 5

A. (3, -5 1/2)
B. (3, 1/2)

C. no solution
D. infinitely many solutions

Respuesta :

angel4769 angel4769

22-01-2021

The answer is B
X = 3 and 1/2= Y
3 + 2(1/2) = 4
3 + 1 = 4
Half of 2 = 1, making B the answer

Answer Link

urnightmare30 urnightmare30

22-01-2021

Answer:

B

Step-by-step explanation:

substitute the given value of 2y into the equation of 2x-2y=5 l, then solve equation for x, you'll get x=3

then subs into other equation to get y value

y=1/2

Answer Link

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