vanessapel15 vanessapel15

03-05-2020
Mathematics

contestada

plz help ! solve the following system of equations

5x+7y=23
9x+4y=7

Respuesta :

brucedeluxegd brucedeluxegd

03-05-2020

Answer: x = -1 y = 4 I got my answer by solving for one variable in the first equation and then substituting what I got for that variable into the second equation in place of that aforementioned variable then solving for the last variable.

Answer Link

Otras preguntas

How far away is Canopus in kilometres?

The tropical climate zone is in which two states?

Show that 9x^2-17x-85=0 give you solutions to 3 correct significant figures There are two possible answers for x

Who was Canada's FIRST prime minister.

The fetus is nourished by the __________ during the first 7 weeks and by the _______ from week 8 through birth ?

If (3+y)/y=7, then y= Please help :)

What type of reaction occurs when you strike a match?

The positive integer x is a multiple of 9 and also a multiple of 12. The smallest possible value of x is (A) 3 (B) 12 (C) 21 (D) 36 (E) 72

Select the simplified expression for 8(x - 4) - 4(x - 3) + 7x. 11x + 4411x - 711x - 4411x - 20

How do you find the interior angles of a triangle, if only one is given angle is given to you?