falcon9837 falcon9837

14-11-2017
Mathematics

contestada

Use the substitution method to solve.

y=5−3x
5x−4y=−3

Respuesta :

19-11-2017

Well just substitute y (the first equation) into the second equation.
So
5x-4(5-3x)=-3
Then just solve the equation from there.
5x-20+12x=-3
17x=17
x=1
and if you need y, y=2

Answer Link

Otras preguntas

Alvin throws the football to a receiver who jumps up to catch the ball. The height of the ball over time can be represented by the quadratic equation -4.9t2 + 7

differentiate between bullet and numbers

I guess this is question that im confused about :]

what contribution did Thomas jefferson make

Select which of the following have an impact on the Earth's climate: Humans Plants Earth's orbit All Life Ice composition

Why do electrons enter the 4s orbital before entering the 3d orbital? O A. because the 3d orbital is at a lower energy level OB. because both the 4s and 3d orbi

(2)(a)Which is smaller, 1/6 or 4/7?______ is smaller than 1/2______ is greater than 1/2 ______ is smaller than _____(b) Which is greater, 3/8 or 5/9?_____ is gr

is the bond between adenine and thymine more than the bond between guanine and cytosine at the dna replication origin?

Help with this math question

how could a nuclear weapon be used to stop your enemy from taking over other countries