kerimsuleman24 kerimsuleman24

01-12-2020
Mathematics

contestada

Practice elimination by solving the following systems᠎᠎
-7x-8y=9
-4x+9y=-22

Respuesta :

Аноним Аноним

01-12-2020

Answer:

multiply the first equation by 4

and second by 7 then just subtract second from first

Answer Link

Otras preguntas

Which total mass is the smallest? (1) the mass of 2 electrons (2) the mass of 2 neutrons (3) the mass of 1 electron plus the mass of 1 proton (4) the mass of 1

which is bigger, 40% of 120 or 1/4 of 200

Derry says"I am thinking of a fraction. My fraction is bigger than 1/2 but smaller than 2/3. The numerator and the denominator of my fraction are both single di

Which radioisotope is a beta emitter?(1) 90Sr (3) 37K(2) 220Fr (4) 238U

what article, section, and clause states how long a person's term in the supreme court can be?

Which Period 4 element has the most metallic properties? (1) As (3) Ge (2) Br (4) Sc

An atom of argon rarely bonds to an atom of another element because an argon atom has (1) 8 valence electrons (2) 2 electrons in the first shell (3) 3 electron

The average kinetic energy of water molecules is greatest in which of these samples?(1) 10 g of water at 35°C(2) 10 g of water at 55°C(3) 100 g of water at 25°C

what groups were in conflict in the south?

What is the total charge of the nucleus of a carbon atom? (1) –6 (3) +6 (2) 0 (4) +12